The diagram shows a coil of several turns of copperwire near a magnet NS. The coil is moved in thedirection of the arrow shown in the diagram.ABNMAGNETS(i) In what direction does the induced current flow in thecoil?(ii) Name the law used to arrive at the conclusion in part(i).(iii) How would the current in coil be altered if(a) the coil has twice the number of turns,(b) the coil was made to move three times fast?

Given; Diagram shows a coil of several turns of copper wire near a magnet NS. Coil moves in the…

Answered: In what direction does the induced…

Science

Physics

In what direction does the induced current flow in the

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 27PQ

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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

The diagram shows a coil of several turns of copper
wire near a magnet NS. The coil is moved in the
direction of the arrow shown in the diagram.
A
B
N
MAGNET
S
(i) In what direction does the induced current flow in the
coil?
(ii) Name the law used to arrive at the conclusion in part
(i).
(iii) How would the current in coil be altered if
(a) the coil has twice the number of turns,
(b) the coil was made to move three times fast?

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