1. In the diagram below, the grey bar moves to the left at a constant speed of 4.8m/s. If the bar is 0.60m long (a) what is the emf generated in the loop (4.0V)and (b) which way will current flow through the bar? (CW)

1. In the diagram below, the grey bar moves to the left at a constant speed of 4.8m/s. If the bar is 0.60m long (a) what is the emf generated in the loop (4.0V)and (b) which way will current flow through the bar? (CW)

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter31: Faraday’s Law

Section: Chapter Questions

Problem 31.8P: A strong electromagnet produces a uniform magnetic field of 1.60 T over a cross-sectional area 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.

Question

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1. In the diagram below, the grey bar moves to the left at a constant speed of 4.8m/s. If the bar is 0.60m
long (a) what is the emf generated in the loop (4.0V)and (b) which way will current flow through the bar?
(CW)
X X X
B = 1.4 T
X X
X X X
X x x x X
X X X
X X X X X
X X X

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