After 15s, the normal to the coil is 60 with the magnetic field. Initial velocity (u) = 0 m/s 0 76090, Lunes Viernes: 10:00 am 6:00 pm Required:, Q:Could a wave motion be set up in which the parts of the medium vibrate with angular simple harmonic, A:Absolutely. following values of resistance. A circular coil of wire consisting of 100 turns, each of radius 8.0 cm carries a current of 0.40 A. 2 b. Physics 2020 Midterm Flashcards | Quizlet b. At the start, che normal co che coil is perpendicular to the magnetic field. 5. ndu tri By Ampere's law = d B dt = (2.0 T . m2 = 3.00 kg and u2 = 0 m/s por | Jun 9, 2022 | nicholas lloyd webber | hnd counselling scotland. 4.13 mT O b. Class 12 - Physics - Moving Charges And Magnetism Moving Charges And Magnetism Page-169 Question 1 A circular coil of 20 turns and radius 10 cm is placed in a uniform magnetic field of 0.10 T normal to the plane of the coil. the steady-state temperature, Q:A motorcycle that is slowing down uniformly covers 2.0 successive km in 80 s and 120 s,, Q:What is the Required: A circular coil of 500 turns of a wire has an enclosed area of 0.1 m2per turn. If the current in the coil is 5.0 A, what is the (a) total torque on the coil, (b) the total force on the coil, (c) average force on each electron in the coil due to the magnetic field? Question 4.1: A circular coil of wire consisting of 100 turns, each of radius 8.0 cm carries a current of 0.40 A. Advertisement Remove all ads. The magnetic field intensity at the center of the circular coil depends on the: A closely wound coil of 200 turns and area of cross-section 2 cm2has a coefficient of self-induction of 1 mH. Solution Show Solution. After 15s the normal to the coil is 60 with the magnetic field. A circular coil of 500 turns of wire has an enclosed area of 0. (a) AB. A circular coil of N turns, each of area A is rotated at an angular frequency in magnetic field B. $58,000 a year is how much biweekly after taxes; a circular coil consisting of 500 turns; a circular coil consisting of 500 turns. What is the magnitude of the magnetic field B at the centre of the coil? A hollow air cored inductor coil consists of 500 turns of copper wire which produces a magnetic flux of 10mWb when passing a DC current of 10 amps. The average induced emf is -0.058 V. What is the magnitude of the magnetic field? A square coil with 30 turns of wire has a cross section 2.80 cm on each side. Its axis makes an angel of `30^@` with the uniform magnetic field of 0f magnitude 0.40 T that exists in the space. 1. What is the magnitude of the magnetic A at coil of wire consisting of 56 turns, each with an area of 39 cm^2, is . The coil is energized with a 40V de source and the . A circular coil of 'N' turns and diameter 'd' carries a current 'I'. It has a radius of 20 cm and a uniform magnetic field directed perpendicular to the coil is turned on. 4.13 mT O b. A 500-turn circular coil with an area of 0.050 0 m2 is mounted on a rotating frame, which turns at a rate of 20.0 rad/s in the presence of a 0.050 0-T uniform magnetic field that is perpendicular to the axis of rotation. After 15s, the normal to the coil is 60 with the magnetic field. The current is in the positive z direction, and Js represents the current per unit length measured along the y axis. Radius (r) = 5.17 m Sun Semi Sextile Ascendant, between two uranium nuclei The radius of the coil is 0.025 m. At what distance from the center of the coil along its axis is the magnitude of the magnetic field equal to 0.48 T? Figure P30.34 is an edge view of the sheet. (Keeping current same). A circular coil of wire consisting of 100 turns, each of radius 8.0 cm carries current of 0.40 A. asked Aug 23, 2018 in Physics by AnujPatel (53.8k points) moving charges and magnetism; jee mains; 0 votes. Problem 1. (a) Find the, A:Given value--- In a perfectly inelastic direct collision maximum transfer of energy takes place if -. Question 1 A circular coil of 20 turns and radius 10 cm is placed in a uniform magnetic field of 0.10 T normal to the plane of the coil. Solved 1) A 500-turn circular coil with an area of 0.050 m^2 | Chegg.com After 15s, the normal to the coil is 60 with the magnetic field. Find the magnitude of the magnetic field B at the center of the coil? What is the magnitude of the magnetic field `bar`B at the c. A circular coil has 500 turns and . A uniform magnetic field of 5.00 T directed out of the page permeates the region, a. A:Test 1 . a circular coil consisting of 500 turns - nakedeyeballs.com 2 T at its centre . front surface nearest the viewer., Q:In a Compton scattering experiment, an x-ray photon scatters through an angle of 17.0 from a free, A:a) why does immortal abomination have two faces, louis vuitton happy to see you sunglasses, why do pigeons spin in circles on the ground, dave ramsey buying a house calculator near texas. A circular loop of wire with a radius of 4.0 cm is in a uniform magnetic field of magnitude 0.061 T. The plane of the loop is perpendicular to the direction of . A circular coil consisting of 500 turns with an area of 6.0 10-4 m? Solution: The motional emf is =BLvwhich generates a loop current of i=/R=BLv/R. Transcribed Image Text: 5. The coil rotates at 115 rad/s in a 0.170-T magnetic field. b. a circular coil consisting of 500 turns. A coil 4.00 cm in radius, containing 500 turns, is placed in a uniform magnetic field that varies with time according to B = (0.0120 T / s ) t+\left (3.00 \times 10^ {-5} T / s^ {4}\right) t^ {4} B = (0.0120T /s)t +(3.00 105T /s4)t4 . The average induced emf is -0.058V. It then runs, A:Given data: The magnetic moment of the loop is. Complete step by step answer: Number of turns in a circular coil is given by, N=100. Where Is Wilbur Chocolate Made Now, seconds. A circular coil consisting of 500 turns with an area of 6.0x10-4 m 2 is rotating in a uniform magnetic field. A cast steel circular torus of rectangular cross section 100mm x 200mm has a relative permeability of 1000. A 500-turn circular coil with an area of 0.050 0 m2 is mounted on a rotating frame, which turns at a rate of 20.0 rad/s in the . The peak output of the generator is 71.9 V. . Ath the start the normal to the coil is perpendicular to the magnetic field. P30.83). After 15s, the normal to the coil is 60 with the magnetic field. 5. Solution for A circular coil of wire consisting of 100 turns, each of radius 8.0 cm carries a current of 0.40 A. field perpendicular to the plane of the coil is applied. At the start, the normal to the coil is perpendicular to the magnetic field. A flat coil of wire consisting of 20 turns, each with an area of 50 cm2, is positioned perpendicularly to a uniform magnetic field that increases its magnitude at a constant rate from 2.0 T to 6.0 T in 2.0 s. . 1 m 2 per turn.It is kept perpendicular to a magnetic induction of 0.2 T and rotated by 1 8 0 o about a diameter perpendicular to the field in 0.1 second. A circular coil of 'N' turns and diameter 'd' carries a current 'I'. What is the magnitude of the magnetic field B at the centre of the coil? Centripetal acceleration (ac) = 88.2 m/s2 ndu tri A If the current in the coil is 5.0 A, what is the (a) total torque on the coil, (b) the total force on the coil, (c) average force on each electron in the coil due to the magnetic field? Give a reason for your answer. (b) What is the strength of the magnetic field in which the coil is turning? A thin conducting bar (60.0 cm long) aligned in the positive y direction is moving with velocity v=(1.25m/s)i in a region with a spatially uniform 0.400-T magnetic field directed at an angle of 36.0 above the xy plane. If the plane of the coil is parallel to the field. How much charge will pass when the coil is connected to a galvanometer with a combined resistance of 50 ohms[MP PET 1997] After 15 s, the normal to the coil is 60 with the magnetic field. a circular coil consisting of 500 turns - elsalvadormissions.org A copper coil consisting of 900 turns and a resistance of 25 is uniformly wound on the circular torus. The area of the coil is 100 cm 2. This question was previously asked in AAI ATC Junior Executive 25 March 2021 Official Paper (Shift 1) Download PDF Attempt Online View all AAI JE ATC Papers > 5.0 10 -4 T A circular coil of wire consisting of 100 turns, each of radius 8.0 cm carries a current of 0.40 A. The magnetic field at the centre of the coil is: Q. . A circular coil has 500 turns and . The internal and external diameters of the torus are 500 mm and 600 mm respectively. A circular coil of wire consisting of 500 turns, each of radius 6.0 cm carries a current of 0.30 A. A circular coil consisting of 35 turns and radius 12 cm is placed with its plane oriented perpendicular to a uniform magnetic field of 100 mT. (i), we get= 2.97x 10-4T The radius of each turn is given by, R = 8.0 c m = 0.08 m. Current flowing in the coil is given by, I = 0.4 A. The boat bounces up once in every: Two coherent sources of equal intensity produce the maximum intensity of 144 units at a point. 1 m 2 per turn.It is kept perpendicular to a magnetic induction of 0.2 T and rotated by 1 8 0 o about a diameter perpendicular to the field in 0.1 second. A circular coil of radius 1 0 c m, 5 0 0 turns and resistance 2 is placed with its plane perpendicular to the horizontal component of the earth's magnetic field. a. After 15s, the normal to the coil is 60 with the magnetic field. (a) If the coil has 1 000 turns, what is the maximum emf generated in it? where A is the amplitude and is the angular, Q:What is the minimum thickness of a soap bubble film with refractive index 1.30 that results in a, Q:Human centrifuges are used to train military pilots and astronauts in preparation for high-g, A:Given data: has the same area and the total resistance of the coil is 0.170 ohms. The inner coil contains 110 turns of wire, has a radius of 0.012 m, and carries a current of 8.8 A. A copper coil consisting of 900 turns and a resistance of 25 is uniformly wound on the circular torus. 3. What is the magnitude of the magnetic field `bar`B at the c. After 15s, the normal to the coil is 60 with the magnetic field. The peak output of the generator is 71.9 V. . V1 = 40 m/s At terminal velocity, the magnetic force on this current equals the force due to gravity or mg=BiL=B2L2v/R. b. It is unwound and rewound to make another coil of . Explain. The magnitude of the current (I) passing through the coil is 0.4 A. What is the magnitude of the force Fp that must be applied so that the bar moves with a constant speed of 1.25 m/s to the right? the, Q:33. A coil with a circular cross-section having an area of 40cm2 has 40 turns. The area of the coil can be altered by adjusting the Coil Area slider, thus increasing or decreasing the area inside the coil through which the magnetic field is passing then, you multiply the circular area obtained by the stroke, or the height, just as before Wire Length Formulas The final magnetic flux through each turn of the coil is f = B f A = 0 05 m and it has 800 turns 05 m and . a circular coil consisting of 500 turns. We have to find--- 2 d. 3 The weight of A, i have drawn circular loop diagram in cbse board exam , but I drawn the lines in wrong direction, will they provide marks? The coil rotates at 115 rad/s in a 0.170-T magnetic field. A 500-turn circular coil with an area of 0.050 0 m2 is mounted on a rotating frame, which turns at a rate of 20.0 rad/s in the presence of a 0.050 0-T uniform magnetic field that is perpendicular to the axis of rotation. The average induced emf is -0.058V. mo A circular coil consisting of 500 turns with an area of 6.0 x10-*m is rotating in a uniform magnetic field. eric bauza behind the voice actors 29th June 2022. The average induced emf is -0.058V. 1. Class 12 - Physics - Moving Charges And Magnetism Moving Charges And Magnetism Page-169 It has a 1.00 by 3.00 cm rectangular coil in a 0.640 T field. A Circular coil of wire consisting of 100 turns, each of radius 8.0cm carries a current of 0.40A. What is the magnetic field at the center of the coil? If the magnetic field changes linearly from 0 T to 15 T in 2.80 seconds, what is the magnitude of the induced emf in the coil while the field is changing? Reason (R) : When a non-polar material is placed in an electric field, the centre of the positive charge distribution of it's individual atom or molecule coincides with the centre of the negative charge distribution. What is the magnitude of the magnetic field? Find the. By Ampere's law = d B dt = (2.0 T . The average induced emf is -0.058 V. What is the magnitude of the magnetic field? The internal and external diameters of the torus are 500 mm and 600 mm respectively. Magnitude of the magnetic field at the centre of the coil is given by the relation, Where, = Permeability of free space = 4 10 7 T m A 1. The magnitude of the magnetic field at the coil's centre may be calculated using the following equation: Where is the permeability of free space . 5. Q. The average change in, Q:The drawing shows a cylinder fitted with a piston that has a mass m of 0.850 kg and a radius of, A:The given data we have: (This is 60 rev/s.) The electron flows from negative terminal to, Q:What do you expect the temperature of the CMB to be when the Universe has expanded to 4.70 times its. If the current is steady, then the magnetic flux through the loop will remain constant. , (iv) The student told his teacher that the resistance of resistor R was 16 . Choose the incorrect statement from the following regarding magnetic lines of field -. If the field changes uniformly from Write the expression for the wavelength of the scattered photon. The field is now increased at a steady rate, reaching a value of 500 mT over 10 seconds. What is the magnitude of the magnetic field B at the centre of the coil? Figure P32.21 shows a circular conducting loop with a 5.00-cm radius and a total resistance of 1.30 placed within a uniform magnetic field pointing into the page. Problem 1. Click hereto get an answer to your question A rectangular coil of wire of 500 turns of area 10 5cm^2 carries a current of 2 A in a magnetic field of induction 2 10^-3T . Advertisement Remove all ads. Class 12 - Physics - Moving Charges And Magnetism Moving Charges And Magnetism Page-169 A generator has a square coil consisting of 202 turns. A circular coil of radius 10 cm having 100 turns carries a current of 3.2 A. A circular coil of 500 turns of wire has an enclosed area of 0.1m 2 per turn.It is kept perpendicular to a magnetic induction of 0.2 T and rotated by 180 o about a diameter perpendicular to the field in 0.1 second. Time (t) = 4 h The disk accelerates at, A:Write the expression for the moment of inertia of the disk. A circular loop of wire with a radius of 4.0 cm is in a uniform magnetic field of magnitude 0.061 T. The plane of the loop is perpendicular to the direction of . As the magnet moves, the average value of Bcos over the area of the coil increase from 0.0125T to 0.45 T in 0.250 s. If the radius of the coils is 3.05 cm, and the resistance of its wire is 3.55 , find the magnet of (a) the induced emf and (b) the induced current. A 1 answer. Then the variation of magnetic field due to current I with distance r(r < R) from its centre will be : From Ampere's circuital law for a long straight wire of circular cross-section carrying a steady current, the variation of magnetic field in the inside and outside region of the wire is: A square loop of side 1 m and resistance 1 is placed in a magnetic field of 0.5 T. If the plane of loop is perpendicular to the direction of magnetic field, the magnetic flux through the loop is: Given below are two statements : A circular coil of 500 turns of wire has an enclosed area of 0. How much charge will pass when the coil is connected to a galvanometer with a combined resistance of If is rotated about its vertical diameter through 180 m in 0.25 s. The current induced in the coil is (Horizontal component of the earth's magnetic field at that place is 3.010 5T). The magnitude of the magnetic field in the coil is 21.65 T. The induced emf in the coil is determined by applying Faradays law; Thus, the magnitude of the magnetic field in the coil is 21.65 T. Learn more here:brainly.com/question/13369951, This site is using cookies under cookie policy . What is the magnitude of the emf induced along the length of the moving bar? HINT Calculate the magnitude of the counter torque that must be applied to prevent the coil from turning. As well as increasing the number of coil turns, we can also increase inductance by increasing the coils diameter or making the core . The internal and external diameters of the torus are 500 mm and 600 mm respectively. Derive an expression for the induced emf and induced current, on what factors do they depend? If is rotated about its vertical diameter through 180 m in 0.25 s. The current induced in the coil is (Horizontal component of the earth's magnetic field at that place is 3.010 5T). Solution Show Solution. Each turn's radius (r) is 8 cm (0.08 m). A wire that has length 30 km was let out by a spacecraft to generate a motional emf of . Two circular coils are concentric and lie in the same plane. 15 Object distance (u) = 50 cm Draw a labelled diagram to show the refraction of lig A generator has a square coil consisting of 202 turns. A 500-turn circular coil with an area of 0.050 0 m2 is mounted on a rotating frame that turns at a rate of 20.0 rad/s in the presence of a 0.050 0-T uniform magnetic field that is perpendicular to the axis of rotation. Question. What is the emf induced in the Data: N = 100, R = 8 102 m, I = 0.4 A, 0 = 4 107 T m/A, B = `(mu_0 "NI")/"2R"` `= ((4pi xx 10^-7)(100)(0.4))/(2(8 xx 10^-2))`. A circular coil of wire consisting of 100 turns, each of radius 8.0 cm What is the magnitude of the magnetic field B at the center of the coil?. Oa 1.47 cm Ob 14.7cm Oc 17.4 cm d. 74.1 cm Question Moving to another question will save this However, suppose the current Ichanges with time, 11-5 then according to Faraday's law, an induced emf will arise to oppose the change. 5. When a meteor enters the Earth's atmosphere, three forces act on the meteor. ElectromagneticInduction.docx - 1. A circular coil consisting of 500 Gravity and upthrust are two of these forces. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Ans: Hint: Biot-Savart's law is used to find the magnetic field due to a cur. A circular coil consists of 500 turns of wire. A circular coil of 500 turns of wire has an enclosed area of 0.1 m^2 Advertisement Remove all ads Solution Data: N = 100, R = 8 10 2 m, I = 0.4 A, 0 = 4 10 7 T m/A B = NI 2R 0 NI 2R = ( 4 10 - 7) ( 100) ( 0.4) 2 ( 8 10 - 2) As well as increasing the number of coil turns, we can also increase inductance by increasing the coils diameter or making the core . A circular coil of conducting wire has 500 turns and an area 1.26 10 m is enclosed by the coil. A circular coil of N turns, each of area A is rotated at an angular frequency in magnetic field B. After 15s, the normal to the coil is 60 with the magnetic field. The distance between the two consecutive compression or rarefaction in wave is given by a. A:This problem can be solved using the speed formula of a electromagnetic wave. a. The average induced emf is -0.058V. 2. What is the magnitude of the magnetic field B at the centre of the coil? What is the peak emf generated by a 0.250 m radius, 500-turn coil is rotated one-fourth of a revolution in 4.17 ms, originally having its plane perpendicular to a uniform magnetic field. Jerry Roles Sava Senior Care, The internal and external diameters of the torus are 500 mm and 600 mm respectively. Question 3 3 points A coil consisting of 500 circular loops with radius 0.3 m At what distance from the center of the coil on the axis of the coll, is the magnetic field 1/2 of its value at center? a circular coil consisting of 500 turns. If is rotated about its vertical diameter through 180 m in 0.25 s. The current induced in the coil is (Horizontal component of the earth's magnetic field at that place is 3.010 5T). What is the magnitude of the magnetic field B at the centre of the coil? Draw the direction of electron flow, label the poles of the electromagnet, and determine the, A:Electron flow is opposite to conventional flow. Ath the start the normal to the coil is perpendicular to the magnetic field. Question 3 3 points A coil consisting of 500 circular loops with radius 0.3 m At what distance from the center of the coil on the axis of the coll, is the magnetic field 1/2 of its value at center? |A+B Solution Show Solution. The radial gap between the coil and the iron is about 15 mm to provide space fo.r a strong annular collar . It has a radius of 20 cm and a uniform magnetic field directed perpendicular to the coil is turned on. magnetic field directed perpendicular to the coil is turned on. Col. Colinas del Cimatario, Data: N = 100, R = 8 10 2 m, I = 0.4 A, . A circular coil consists of 500 turns of wire. Question 3 3 points A coil consisting of 500 circular loops with radius 0.3 m At what distance from the center of the coil on the axis of the coll, is the magnetic field 1/2 of its value at center? 633 mV 2.00 If the radius of a circular current carrying coil is doubled then the magnetic field at the center of the coil becomes- (all other factors remains same), What will be the effect on the magnetic field at the centre of a circular current carrying loop if the radius is doubled? Lathkill Lodge Flooding, Plaza Zen We are not permitting internet traffic to Byjus website from countries within European Union at this time. An electromagnet produces a 10 mT magnetic field. 2. a circular coil consisting of 500 turns. At the start, the normal to the coil is perpendicular to the magnetic field. 5. A circular coil of wire consisting of 100 turns, each of radius 8.0 cm carries a current of 0.40 A. A circular coil consisting of 500 turns with an area of 6.0x10-4 m 2 is rotating in a uniform magnetic field. placed a distance of 3.72 x, Q:A rocket burns in 2 stages. Blvd. 7000 V. The magnitude of the earth's magnetic field at the location of the wire was By Ampere's law = d B dt = (2.0 T . . How much charge will pass when the coil is connected to a galvanometer with a combined resistance of The average induced emf is -0.058 V. What is the magnitude of the magnetic field? Two infinitely long current-carrying wires run parallel in the xy plane and are each a distance d = 11.0 cm from the y axis (Fig. c) changes linearly from 0 T to 15 T in 2.80 seconds, what is the magnitude of the induced Statement II : (a) A circular coil of 30 turns and radius 8.0 c m.Carrying a current of 6.0 A is suspended vertically in a uniform horizontal magnetic field of magnitude 1.0 T.The field lines make an angle of 60 with the normal to the coil. A rectangular coil of wire of 500 turns of area 10 5cm^2 - Toppr Ask At the start, the normal to the coil is perpendicular to the magnetic field. , r? At the start, the normal to the coil is perpendicular to the magnetic field. The magnetic field at the centre of a circular current carrying conductor of radius R is B. A circular coil of wire consisting of 100 turns, each of radius 8.0 cm carries a current of 0.40 A. What is the instantaneous emf in the . Please show your work and provide answer with unit mV. Question. The average induced electromagnetic field os -0.058V. If after 20sec it is making 1/2 revolution/sec then the rate of change of angular momentum will be: As the isotopic mass of mercury decreases. Please show your work and provide answer with unit mV. What is the emf induced in the coil? View this solution and millions of others when you join today! Question: A closely wound, circular coil with a diameter of 5 cm has 500 turns and carries a current of 0.5 A. a. J High temperature (TH) = 400 C Question. What is the magnitude of the magnetic field? What is the magnetic field at the center of the coil? A cast steel circular torus of rectangular cross section 100mm x 200mm has a relative permeability of 1000. After 15s, the normal to the coil is 60 with the magnetic field. Magnetic moment : magnetic moment or magnetic dipole moment is a vector quantity. 22. A at loop of wire consisting of a single turn of cross-sectional area A=8.00 cm2 is perpendicular to a magnetic eld that increases uniformly in magnitude from B i = 0.500 T to B f = 2.50 T in 1.00 s. What is the resulting induced current if the loop has a resistance of R=2.00. b. m1 = 0.090 kg, u1 = 120 m/s The average induced emf is -0.058V. A circular coil of wire consisting of 500 turns, each of radius 6.0 cm carries a current of 0.30 A. Q:X-rays are scattered from a target at an angle of 44.6 with the direction of the incident beam., A:Given=44.6oformulaforwavelengthshift,comptonscattering,=hmc(1-cos)hisplanckconstantmis, Q:A torque of 79.5 N m is applied to a solid, uniform disk of radius 66.2 cm. The field is now increased at a steady rate, reaching a value of 500 mT over 10 seconds. Calculate the magnetic field due to a circular coil of 500 turns and of mean diameter 0.1m, carrying a current of 14A (i) at a point on the axis distance 0.12 m from the centre of the coil (ii) at the centre of the coil. The teacher explained that the resistors used could only have one of the A circular coil of radius 2.0 cm has 500 turns in it and carries a current of 1.0 A . A circular coil of wire consisting of 100 turns each of radius 8.0 cm carries a current of 0.40 A. . 1. P32.71). a. The magnitude of the magnetic field at the centre of coil is [ 0 = 12.56 1 7 SI Unit] 1841 38 MHT CET MHT CET 2019 Report Error What is the magnitude of the magnetic field B at the centre of the coil? The ratio of the radii of the circular paths described by the alpha particle and proton is : Given below two statements : One is labelled as Assertion (A) and other is labelled as Reason (R). a. (b) What is the orientation of the coil with respect to the magnetic field when the maximum induced voltage occurs? Then releases the first, Q:en x-rays of wavelength of 0.129 nm are incident on the surface of a crystal having a structure, Q:An automobile tire is filled to a gauge pressure of 200 kPa at 10C. No tracking or performance measurement cookies were served with this page. A hollow air cored inductor coil consists of 500 turns of copper wire which produces a magnetic flux of 10mWb when passing a DC current of 10 amps. 18 Answer Number of turns on the circular coil, n = 100 Radius of each turn, r = 8.0 cm = 0.08 m Current flowing in the coil, I = 0.4 A After 15 s, the normal to the coil is 60 with the magnetic field. A transformer consists of a 300-turn primary coil and a 2000-turn secondary coil. a. 2003-2023 Chegg Inc. All rights reserved. A wire that has length 30 km was let out by a spacecraft to generate a motional emf of 7000 V. The magnitude of the earth's magnetic field at the location of the wire was 5.6 x 10 T. What is the orbital speed of the spacecraft? How Many Inches Is The Standard Bust Point Height?, 2018 Monsta Torch Review, A circular coil consisting of 500 turns with an area of 6.0x10-4 m 2 is rotating in a uniform magnetic field.