A coil with 50 turns and area 10 cm2 is oriented with its plane perpendicular to a 0.75-T magnetic field. If the coil is flipped over (rotated through 180° ) in 0.20 s, what is the average emf induced in it?

Q: A single circular loop of wire of radius 0.46m is positioned in a uniform magnetic field of 0.47T…

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

A: Given:  Number of turns,  N = 50  initial Area, A = 0.25 m2 final area,A' = 0 m2 time, t = 0.1 s…

Q: A coil with 8 turns has square loops measuring 0.2m on a side and a resistance of 3Ω. It is placed…

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Q: Suppose a 52-turn coil lines in the plane of the page in a uniform magnetic field that is directed…

A: According to Faraday's law of electromagnetic induction, when magnetic flux linked with coil changes…

Q: A square loop of wire with a side length of 1.35 [m] is in a uniform magnetic field that has an…

A: side of square loop (d) = 1.35 m initial value of magnetic field = 3.5 T rate of change of magnetic…

Q: The magnetic field through a coil change from 7 nT to 9 nT in 5 seconds. If the coil has 3500 turns…

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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 fixed 10.8cm diameter wire coil is perpendicular to a magnetic field 0.48T pointing up. In .16s,…

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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 square coil of side 4 cm and 200 windings lies perpendicular to a magnetic field of 4.0 T. The…

A: Given: The side of the square is 4 cm. The number of winding is 200. The magnetic field is 4.0 T.…

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

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Q: The magnetic flux through a coil of wire containing 15 loops changes at a constant rate from 10Wb to…

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Q: A rectangular coil of 100 turns measures 40.0 cm by 20.0 cm. This coil is placed next to an…

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Q: A flat coil enclosing an area of 0.19 m2 is rotating at 55 rev/s, with its axis of rotation…

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Q: A very long, hollow cylindrical coil with a cross-sectional area of 70 cm2 and the number of turns…

A: Calculate the magnetic field produced by the cylindrical coil. B=μ0ni=4π×10-7 H/m×4500/m×5 A=0.0282…

Q: A student winds a coil of area 35 cm2 with 34 turns. They place it horizontally in a vertical…

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

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Q: The magnetic flux through a coil of wire changes from 9T m- to zero in a time of 0.50 s. What is the…

A: 18 V

Q: The magnetic flux through a coil of wire containing two loops changes at a constant rate from –58 Wb…

A: According to faraday's law of Electromagnetic induction, whenever flux passing through a coil…

Q: A square coil, enclosing an area with sides 2.0 cm long, is wrapped with 2 500 turns of wire. A…

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Q: A metal rod 0.95 m long moves with a speed of 2.4 m>s perpendicular to a magnetic field. If the…

A: The expression for find strength of magnetic field is ε=BlvB=εlv

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 500-turn circular loop 15.0 cm in diameter is initially aligned so that its axis is parallel to…

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Q: A square, single turn coil of length 0.02-m is placed with its plane perpendicular to a constant…

A: length (l) = 0.02 m emf induced (E) = 18 mV = 0.018 Vrate of decrease of magnetic field = dAdt = 0.1…

Q: A 12.0-cm diameter loop of wire is initially oriented perpendicular to a 1.5 T magnetic field. Then,…

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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: A coil of 1000 turns encloses an area of 25 cm2 . It is rotated in 0.010 s from a position where its…

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Q: A coil of 1000 turns encloses an area of 50e4 cm2 and is in a magnetic field of strength 3e-6 T…

A: The induced emf is given by The magnetic flux is given by

Q: A square coil of side 4 cm and 200 windings initially lies perpendicular to a magnetic field of 4.0T…

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Q: A 12-turn coil 10 cm in diameter has its axis parallel to a magnetic field of 0.5 T which is…

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Q: An emf of 24.0 mV is induced in a 500 turn coil at an instant when the current is 4.0 A and is…

A: The expression for find magnitude of Lis L=-εdIdt Substitute values in the above equation…

Q: A fixed 17.4-cm-diameter wire coil is perpendicular to a magnetic field 0.56 T pointing up. In 0.29…

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Q: A loop of area 225 cm2 has 24 turns of wire. It is in a magnetic field of strength 3.6 x 10-2 T. To…

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Q: A circular loop in the plane of the paper lies in a 0.60 T magnetic field pointing into the paper.…

A: Magnetic field = 0.6T Resistance of coil = 1.55Ω Initial diameter=20.5cm Final diameter=9cm Time…

Q: A magnetic field increases from 0 to 0.55 T in 1.6 s. How manyturns of wire are needed in a circular…

A: The given values are, dB=0.55 Tdt=1.6 sd=12 cm=0.12 mε=9.0 Vr=d2=0.12 m2=0.06 m

Q: A fixed 19.7-cm-diameter wire coil is perpendicular to a magnetic field 0.57 T pointing up. In 0.25…

A: Consider the change in magnetic field be dB, the time interval be dt, the diameter of the wire coil…

Q: A fixed 11.1-cm-diameter wire coil is perpendicular to a magnetic field 0.73 T pointing up. In 0.14…

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Q: An emf is induced by rotating a 1000 turn, 20.0 cm diameter coil in the Earth's 4.95 ✕ 10−5 T…

A: N = Number of turns ion the coil = 1000 d = diameter = 20 cm = 0.2 m r = radius = 0.2/2 = 1m Area of…

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 flat coil having 40 turns, each one of cross-sectional area 12.0 cm², is oriented with its plane…

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Q: A flat coil enclosing an area of 0.19 m2 is rotating at 55 rev/s, with its axis of rotation…

A: It is given that