q12 A 40 turn circular coil (radius = 4.0 cm, total resistance = 0.20 0) is placed in a uniform magnetic field directed perpendicular to the plane of the coil. Themagnitude of the magnetic field varies with time as given by B = 92 sin(10 Ttt) mT where t is measured in s. What is the magnitude of the induced currentin the coil at 0.07 s?O a. 0 AO b. 1.70 AО с. 2.95 АO d. 1.44 AO e. 2.35 A

Induced emf is rate of change of magnetic flux

Answered: nagnitude of the magnetic field varies…

nagnitude of the magnetic field varies with time as given by B = 92 sin(10 Tt) mT where t is measured in s. W n the coil at 0.07 s?

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter32: Faraday’s Law Of Induction

Section: Chapter Questions

Problem 61PQ

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Question

q12

A 40 turn circular coil (radius = 4.0 cm, total resistance = 0.20 0) is placed in a uniform magnetic field directed perpendicular to the plane of the coil. The
magnitude of the magnetic field varies with time as given by B = 92 sin(10 Ttt) mT where t is measured in s. What is the magnitude of the induced current
in the coil at 0.07 s?
O a. 0 A
O b. 1.70 A
О с. 2.95 А
O d. 1.44 A
O e. 2.35 A

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