A flat rectangular coil consisting of 100 turns measures 25 cmby 20 cm. It is placed in a 0.5 T uniform magnetic field, with the plane ofthe coil parallel to the field. In 0.25 s, it is rotated so that the plane of thecoil is perpendicular to the field. (a) What is the change in the magneticflux through the coil due to this rotation? (b) Find the magnitude ofthe average emf induced in the coil during this rotation.

Q: A square coil of resistance 3 Ω, 70 turns and side length 5 cm is placed with its plane making an…

A: Faraday's law states that, The induced emf in a coil is defined as the negative of the rate of…

Q: Suppose that a rectangular toroid has 1500 windings and a self-inductance of 0.04 H. If the height…

A: Given : Number of turns, N= 1500 Self Inductance, L =0.04 H Height , h = 0.08 m  Energy stored , U=…

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Q: A rectangular coil of length 0.5 m and breadth 0.2 m has a resistance of 10 N. The coil is placed in…

A: To find-(1) Induced e.m.f.(2) Induced current Given-l=0.5 mb=0.2 mR=10 ohmB1=0.05 Wb/m2B2=0 t=10-4…

Q: A 230-turn coil lies in the plane of the page in a uniform magnetic field of strength 4.80 T. The…

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

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Q: Find the current induced in the coil

A: Induced current in the loop is   0.0244  A  Explanation is in steps below :

Q: A metal rod 1 VIT Im long rotates about one of its end perpendicular to a plane whose magnetic…

A: We need to compute-Number of revolution (f)=?The data given as-radius (r)=1π mMagnetic induction…

Q: The magnetic flux through each turn of a 210-turn coil is given by B = 9.25 x 10-³ sin(at), where is…

A: Given: The number of turns is 210. The magnetic flux is. ϕB=9.25×10-3sinωt…

Q: is a square of side 18 c form magnetic field directed perpendicular to t e coil is turned on. If the…

A: Induced EMF is the change in potential difference due to a change in the magnetic flux of a coil,…

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Q: magnetic flux through each turn of the coil

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Q: An emf of 26.5 mV is induced in a 504 turn coil when the current is changing at a rate of 10.5 A/s.…

A: Given data *The given induced emf is E = 26.5 mV = 26.5 × 10-3 V *The number of turns in a coil is N…

Q: Tthe length of a moving conductor L=0.25m (you may assume that this is the distance from “rail to…

A: Given that:- Length of moving conductor=L=0.25m

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Q: A 0.220 m radius, 525 turn coil is rotated one fourth of a revolution in 4.17 ms, orginally having…

A: Radius of coil r = 0.220 m Number of turns N = 525 Time ∆t = 4.17 ms = 4.17×10-3 s Induced emf ε =…

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Q: (a) An MRI technician moves his hand from a region of very low magnetic field strength into an MRI…

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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: Two coils are wound around the same cylindrical form,like the coils . When the current in the first…

A: Given: Rate of change in coil 1 is di1dt=0.242As. Emf induced in the second coil is ε2=1.65×10-3V.…

Q: A 230-turn coil lies in the plane of the page in a uniform magnetic field of strength 4.80 T. The…

A: Given that,Number of turns : N = 230 turns Magnetic field : B = 4.80 T              Area : A = 0.125…

Q: Given that the time rate of change of magnetic flux through a coil is -5E-2 and the total emf…

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Q: A coil (N=300 turns; A=0.1 m2) is placed in a magnetic field B=0.5 T such that Ө changes from 90…

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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 magnetic field of 0.21 T exists in the region enclosed by a solenoid that has 239 turns and a…

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Q: A coll consists of 200 turns of wire having a total resistance of 2.0 Q. Each turn is a square of…

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Q: A coil formed by wrapping 80 turns of wire in the shape of asquare is positioned in a magnetic field…

A: Given,

Q: the emf of a coil rotating in a magnetic field is zero at t = 0 and increases to its first peak at t…

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Q: A coil with a self-inductance of 3.0 H and a resistance of 100 2 carries a steady current of 2.0 A.…

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Q: An emf of 28.5 mV is induced in a 501 turn coil when the current is changing at a rate of 10.5 A/s.…

A: Given Data: Induced emf ε=28.5 mV Number of turns of the coil N=501 Rate of change of current…