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Wheatstone Bridge Experiment: A galvanometer is used as a: a) current source b) voltage source c) null detector d) input impedance e) None of the above

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter11: Magnetic Forces And Fields

Section: Chapter Questions

Problem 93AP: The density of charge carriers far copper is 8.471028 electrons per cubic meter. What will be the...

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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

Wheatstone Bridge Experiment:
A galvanometer is used as a:
a) current source
b) voltage source
c) null detector
d) input impedance
e) None of the above
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