Consider the arrangement shown in the figure below. Assume that R = 6.00 Q, 1=1.20 m, and a uniform 2.50T magnetic field is directed into the page. At what speed ( in units of m/s) should the bar be moved to produce a current of 10.4 A in the resistor?

Consider the arrangement shown in the figure below. Assume that R = 6.00 Q, 1=1.20 m, and a uniform 2.50T magnetic field is directed into the page. At what speed ( in units of m/s) should the bar be moved to produce a current of 10.4 A in the resistor?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter11: Magnetic Forces And Fields

Section: Chapter Questions

Problem 78AP: (a) A 0.750-m-long section of cable carrying current to a car starter motor makes an angle of GOP...

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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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Consider the arrangement shown in
the figure below. Assume that R =
6.00 2, I=1.20 m, and a uniform
2.50T magnetic field is directed into
the page. At what speed ( in units of
m/s) should the bar be moved to
produce a current of 10.4 A in the
resistor?
B
app
Select one:
O A. 20.80
О в. 41.60
O c. 6.93
O D. 26.00
O E. 13.52
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