A stationary conducting loop is placed in between the north pole and south pole of an artificial magnet. An increasing magnetic field is observed, increasing at the rate of 0.070 T/s. The conducting loop has a radius of 5 cm, and the vector ar

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter13: Electromagnetic Induction

Section: Chapter Questions

Problem 56P: A flat, square coil of 20 turns that has sides of length 15.0 cm is rotating in a magnetic field of...

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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.

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A stationary conducting loop is placed in between the north pole and south pole of an artificial magnet. An increasing magnetic field is observed, increasing at the rate of 0.070 T/s. The conducting loop has a radius of 5 cm, and the vector area of the coil is perpendicular with the magnetic field vector. If a resistance of 8Ω was measured, calculate the induced current.

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