A coil of radius 10 cm is placed in a region where the magnetic field is perpendicular to the plane of the coil. If the magnetic field decreases at a constant rate from 1.00 T to 0.40 T in 1.2 ms, find the magnitude of induced emf in the coil?

A coil of radius 10 cm is placed in a region where the magnetic field is perpendicular to the plane of the coil. If the magnetic field decreases at a constant rate from 1.00 T to 0.40 T in 1.2 ms, find the magnitude of induced emf in the coil?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter13: Electromagnetic Induction

Section: Chapter Questions

Problem 65AP: A current is induced in a circular loop of radius 1.5 cm between two poles of a horseshoe...

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Concept explainers

Magnetic Field Of Coaxial Cable

The word coaxial means same axis. So for a long straight cable to be coaxial, it must have concentric cylindrical shaped conductor around it. Coaxial cable (popularly called ‘coax’) has various applications ranging from current conductors to radiofrequency signal transmitters. This cable has lower emission losses and provides protection from electromagnetic interference which allows signals with less power to transmit over longer distances.For example, currents produced in the pickup of a stereo turntable generally travel to the amplifier through a coaxial cable.The self-inductance of a coaxial cable is another important characteristic, because it influences the propagation of electrical signals in the cable.

Question

A coil of radius 10 cm is placed in a region where the magnetic field is
perpendicular to the plane of the coil. If the magnetic field decreases at a
constant rate from 1.00 T to 0.40 T in 1.2 ms, find the magnitude of induced
emf in the coil?

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