A coil of 1000 turns encloses an area of 25 cm2 . It is rotated in 0.010 s from a position where its plane is perpendicular to Earth’s magnetic field to one where its plane is parallel to the field. If the strength of the field is 6.0 × 10−5 T, what is the average emf induced in the coil?

Q: A loop of area 0.23 m2 is in a 0.047 T uniform magnetic field oriented so that the maximum flux goes…

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Q: The figure below shows a 90-turn square coil rotating about a vertical axis a w= 1,410 rev/min. The…

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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: A circular loop of wire with a radius of 4.0 cm is in a uniform magnetic field of magnitude 0.060 T.…

A: radius =  4.0 cm magnetic field initial = 0.060 T. time = 0.50s magnetic field initial = -0.040T

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 magnetic flux through a coil of wire containing two loops changes from -57.1 Wb to 17.7 Wb in…

A: Faraday's law of electromagnetic induction states that the magnitude of induced emf is equal to the…

Q: A rectangular coil 0.055 m by 0.085 m is positioned so that its cross-sectional area is…

A: Given data: length of the coil l=0.05m  Breadth of the coil b =0.085m Number of turns N=75 turns…

Q: A coil 2.00 cm in radius, containing 400 turns, is placed perpendicularly in a uniform magnetic…

A: Radius of the coil r=2 cm, number of turns in the coil N=400 which is placed in an uniform magnetic…

Q: A square loop of wire is held in a uniform 0.31 T magnetic field directed perpendicular to the plane…

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Q: A rectangular loop with the given dimensions is being pulled out of a uniform magnetic field of…

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Q: A flat, square, 75-turn coil of wire is rotated from having its plane perpendicular to an external,…

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Q: circular loop of radius 5.1 cm is formed, placed with its plane perpendicular to a uniform magnetic…

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Q: A generator consists of 10.0 turns of wire, and each turn has an area of 0.95 m2. If a maximum e.m.f…

A: Given data: The number of turns is N=10. The maximum emf is ε=110 V. The area of each turn is…

Q: A wire loop of radius 0.33 m lies so that an external magnetic field of magnitude 0.35 T is…

A: Radius of loop (r) = 0.33 m Initial magnetic field (B) = 0.35 T Final magnetic field (B') = -0.16 T…

Q: A circular coil (10 turns, diameter=25cm) is placed perpendicular to a uniform magnetic field…

A: Given:   Number of turns, N = 10 Diameter of coil, d = 25 cm = 0.25 m           ( as 1 m = 100 cm)…

Q: A wire loop of radius 0.33 m lies so that an external magnetic field of magnitude 0.35 Tis…

A: Given  Radius of loop r=0.33m Initial magnetic field Bi=0.35T Final magnetic field Bf=0.16 T Time…

Q: A generator consists of few turns of wire, and each turn has an area of 0.085 m2. If a maximum e mf…

A: Given Data : The area of each turn is given as A=0.085 m2 The maximum EMF generated in the generator…

Q: You are designing a generator to have a maximum emf of 8.0 V. If the generator coil has 200 turns…

A: Given : Maximum emf V = 8.0 V             Number of turns N = 200 turns             Cross sectional…

Q: A coil with 200 turns of wire is wrapped on an 18.0 cm square frame. Each turn has the same area,…

A: Given. Magnetic field change from 0 to 0.5 T in 0.8 sec. Resistance is 2 ohm. N = 200 L = 18 cm

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: A coil of wire contains three loops. If the magnetic flux through the coil changes from - 45 Wb to +…

A: Given, no. of loops=3 Initial flux, ϕ1=-45Wb Final flux, ϕ2=+52Wb time, dt=0.36s

Q: A coil with 50 turns and area 10 cm2 is oriented with its plane perpendicular to a 0.75-T magnetic…

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Q: A circular coil with a diameter of 14.1 cm is made up of thin wire wound into 736 turns. It is…

A: Bormal to plane is at an angle 90°-17.3°=72.7° with the direction of magnetic field

Q: A magnetic B field of strength 12 T is perpendicular to a conducting loop of wire measuring 0.8…

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Q: The induced emf in a single loop of wire has a magnitude of 1.35 V when the magnetic flux ischanged…

A: induced e m f, e = 1.35 V magnetic flux changed from 0.99 T m2 to 0.26 T m2

Q: A square loop of wire is held in a uniform 0.24 T magnetic field directed perpendicular to the plane…

A: The equation for the induced emf is given by,

Q: A circular coil enclosing an area of 100 cm2 is made of 200 turns of copper wire. The wire making up…

A: It is given that,

Q: What is the magnitude of the rate at which the current though a 0.30-H coil is changing if an emf of…

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Q: A generator consists of 10.0 turns of wire, and each turn has an area of 0.95 m2 If a maximum e.m.f…

A: given   N = 10 turns A = 0.95 m^2 e = 110 V f = 50 Hz  Maximum induced emf ,   Emax =…

Q: You are designing a generator to have a maximum emf of 8.0 V. If the generator coil has 200 turns…

A: Given, Number of turns,N=200 Cross-sectional area,A=0.03 m2 Magnetic field,B=0.03 T Maximum…

Q: A square coil, enclosing an area with sides 8.32 cm long, is wrapped with 5666 turns of wire.  A…

A: The average voltage induced can mathematically be given by, Vavg=-NAdBdt dBdt is the rate of change…

Q: A ten-loop coil having an area of 0.23 m² and a very large resistance is in a 0.047-T uniform…

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Q: A circular coil of 50 turns and radius 8.0cm is placed with its plane oriented at  90 degrees to a…

A: Given The number of turns in the coil is N=50 The radius of the coil is r=8.0 cm=0.08 m The angle…

Q: A wire 0.2 m long moves at a constant speed of 5 m/s in a direction that is 37o with respect to a…

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Q: A coil formed by wrapping 55 turns of wire in the shape of a square is positioned in a magnetic…

A: Given value--- number of turns = 55 . angle = 36 degree . change in magnetic field = 200 micro T to…

Q: A ten-loop coil having an area of 0.23 m^2 and a very large resistance is in a 0.047 T uniform…

A: Given Data: Turn count, N=10 Coil area, A=0.23 m2 Magnetic field (M.F.), B=0.047 T Coil rotation…

Q: A 40-turn coil has a diameter of 13 cm. The coil is placed in a spatially uniform magnetic field of…

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Q: A circular wire coil with 33 turns and radius 2.34 cm is placed in a uniform magnetic field of…

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Q: A rectangular coil of 80 turns has dimensions of 34 x 52 cmcm and is located in a uniform 2 TT…

A: Given: The rectangular coil has 80 turns. The dimension is 34 cm x 52 cm. The magnetic field is 2 T.…

Q: A flat coil having 40 turns, each one of cross-sectional area 0.0012 m2, is oriented with its plane…

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Q: An emf of 24.0 mV is induced in a 500-turn coil when the current is changing at a rate of 10.0 A/s.…

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Q: A fixed 13.3-cmcm-diameter wire coil is perpendicular to a magnetic field 0.59 TT pointing up. In…

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Q: A wire loop that encloses an area of 15 cm? is perpendicular to a magnetic field of 0.10 T. If the…

A: given data area = 15cm2 magnetic field = 0.10 T field is drops to 0.04 T in 0.2 s average emf…