A 40-loop circular coil has a radius of 10.0 cm. It is placed in a magnetic field so that the field lines from a parmanent magnet (B) are normal to the area of the coil. If the magnet is brought toward the loop so its magnetic field varies from 0.2 T to 0.70 T in 2 microsecond, the induced emf through each coil would be 7.85 kV 3.95 x 105 V 87.9 x 104 V 2.80 MV

Q: circular coil with 8 loops is experiencing an emf due to the changing magnetic field where it is…

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Q: A 117-turn square coil of side 20.0 cm rotates about a vertical axis at ω = 1.59  103 rev/min as…

A: Given:Number of turns = 117Area of coil = (0.2)2 m2Angular frequency = 1.59 X 103 rev/min…

Q: A 40-loop square coil has a side length of 10.0 cm. It is placed in a magnetic field so that the…

A: Given: Number of coil, N=40 Length of side of square, a=10.0 cm Initial magnetic field, Bi=0.20 T…

Q: The figure below shows a 108-turn square coil rotating about a vertical axis at at = 1,570 rev/min.…

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Q: Suppose a 50-turn coil lies in the plane of the page in a uniform magnetic field that is directed…

A: Given: Turns in coil N = 50 Cross sectional area of coil A = 0.25 m2. dAdt=0.250.1dAdt=2.5 m2/s…

Q: A closely wound rectangular coil of 100 turns has a dimension of 12.0cm x 25.0cm. In time t=0.0800 s…

A: Given, Number of turns of rectngular coil, N = 100dimension, 12.0 cm ×25.0 cmtime, t = 0.080 sit…

Q: The figure below shows a 114-turn square coil rotating about a vertical axis at at w = 1,450…

A: Solution: Given: 1 V = 1000 mV  1 m = 100 cm 1 rpm = 0.10472 rad/s N = number of turns of wire in…

Q: A circular coil (540 turns, radius = 0.033 m) is rotating in a uniform magnetic field. At t = 0s,…

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Q: A coil of wire consists of 65.0 turns and has an area of 7.9 m2. The magnetic field through the…

A: The given values are, N=65.0A=7.9 m2∆B=12.9 T-4.2 T=8.7 T∆t=0.15 s

Q: A 75-turn coil has a diameter of 10 cm. The coil is placed in a spatially uniform magnetic field of…

A: We know that induced emf  ε=-NAdBdt.........(1)

Q: A rectangular coil with dimensions 0.18 m by 0.27 m has 550 turns of wire. It is rotated about its…

A: Rectangular coil area "A"= 0.18×0.27 m² No. Of turns "N"= 550  magnetic field "B"= 0.56 T  maximum…

Q: wire loop of area A = 0.574 m2 is placed perpendicular to a constant magnetic field of magnitude B =…

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Q: The figure below shows a 102-turn square coil rotating about a vertical axis at at w = 1,280…

A: The number of turns N = 102The angular frequency ω = 1200 rev/min or f = 20 rev/s = 20HzThe length…

Q: A rectangular coil has a cross-sectional area of 30 cm2 and 50 turns. If the coil rotates at 60…

A: When there is relative motion between coil and magnet an emf is induced. This can be stated as that…

Q: Recall the demonstration of Faraday's law. A magnet is moved along the axis of a coil inducing an…

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Q: A 30-turn circular coil of radius 7.0 cm and resistance 4.0 is placed in a magnetic field directed…

A: As per Faradays law any change in the magnetic flux will cause a voltage in the coil. this voltage…

Q: A 50-turn coil has a diameter of 15 cm. The coil is placed in a spatially uniform magnetic field of…

A: Given  No. Of turns on coil n = 50 Diameter of coil d = 15 cm Magnetic field B = 0.5 T Angle plane…

Q: A circular coil (560 turns, radius = 0.044 m) is rotating in a uniform magnetic field. At t = 0 s,…

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Q: A 19-turn circular coil of wire has diameter 0.90 m. It is placed with its axis along the direction…

A: Given data  no. of turns =  19 diameter = .90 m  Earth's magnetic field = 49.0 µT  angle = 180°…

Q: The magnetic flux through the loop increases according to the relation B 6.0t² + 7.0t as show in the…

A: The magnetic flux as a function of time is given by,

Q: A circular coil of radius 2.5 cm has 27 turns of wire. It is placed in a magnetic field directed…

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Q: A 36-turn circular coil of radius 3.60 cm and resistance 1.00 2 is placed in a magnetic field…

A: Given: Number of turns, N = 36 Radius of the coil, r = 3.60 cm = 0.036 m Resistance of the coil, R =…

Q: A square coil of wire of side 2.50 cm is placed in a uniform magnetic field of magnitude 1.75 T…

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Q: A 60 turn coil has a diameter of 17cm. The coil is placed in a spatially magnetic field of magnitude…

A: We have to use some basic formula here.

Q: An electrical generator consists of a circular coil of wire of radius 5.00 cm and with 20 turns in…

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Q: Problem 5: A rectangular coil has side a-0.075 m, b-0.055 m, and resistance R 55 Ω. It moves into a…

A: a)The expression for the magnetic flux,

Q: Consider a conducting rod of length 32 cm moving along a pair of rails, and a magnetic field…

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Q: A conducting coil of 1900 turns is connected to a galvanometer, and the total resistance of the…

A: We are given number of turns and resistance of coil. We are given area of each turn. Initially there…

Q: A square coil of wire of side 2.55 cm is placed in a uniform magnetic field of magnitude 1.75 T…

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Q: An electric generator contains a coil of 100 turns of wire, each forming a rectangular loop 50.0 cm…

A: (given) Number (N) of turns = 100 Magnetic field (B) = 3.50 T Area (A) = 50 cm ×30 cm…

Q: The armature of an AC generator consists of 10 turns of wires, with an area of 0.5 m2 each, having a…

A: Given:no of turns of wire, n = 10Area, A = 0.5 m2total resistance, R = 15 ΩMagnetic field, B = 0.75…

Q: The figure below shows a 117-turn square coil rotating about a vertical axis at at w = 1,510…

A: Number of turns N= 117 Angular speed ω = 1510 rev/min= 158.55 rad/s Magnetic field B= 2.00*10-5 T…

Q: A conducting rod of length 2 cm moves with velocity 3 m/s parallel to a long wire carrying a steady…

A: Let r denote the distance from the wire, a denote the distance of the near end of the moving…

Q: A 10 H inductor carries a current of 20 A ch ice at 0°C could be melted by the energy stored in…

A: Latent heat is the energy absorbed or released by a substance during a change in its physical state…

Q: A coil 4.00 cm in radius, containing 500 turns, is placed in a uniform magnetic field that varies…

A: radius, r = 4 cm Number of turns, N = 500  Resistance, R =  600 Ω  B = 0.012 t + 3 x 10-5 t4 t = 5 s…

Q: A 0.9 m x 0.3 m rectangular coil with 15 loops is placed on a changing magnetic field. The magnetic…

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Q: A 43-turn circular coil of wire has diameter 0.900 m. It is placed with its axis along the direction…

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Q: A coil consists of 25 loops of wire and has a diameter of 10 cm. Its resistance is 0.1Ω. At t=0 it…

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Q: A student is performing a physics lab to test Faraday's Law. She places an 85-turn wire loop of…

A: Number of turns is N = 85 Radius of the loop is r = 5 cm = 0.05 m Time taken to reduce magnetic…