An N-turn square coil with side l and resistance R is pulled to the right at constant speed v in the positive x-direction in the presence of a uniform magnetic field B acting perpendicular to the coil, as shown in the figure below. At t = 0, the right side of the coil is at the edge of the field. After a time t has elapsed, the entire coil is in the region where B = 0. In terms of the quantities N, B, l, v, and R, find symbolic expressions for the following. Bin B = 0 app (a) the magnitude of the induced emf in the loop during the time interval t -NBlv (b) the magnitude of the induced current in the coil I = (c) the power delivered to the coil P = (d) the force required to remove the coil from the field NI²B’v F =

An N-turn square coil with side l and resistance R is pulled to the right at constant speed v in the positive x-direction in the presence of a uniform magnetic field B acting perpendicular to the coil, as shown in the figure below. At t = 0, the right side of the coil is at the edge of the field. After a time t has elapsed, the entire coil is in the region where B = 0. In terms of the quantities N, B, l, v, and R, find symbolic expressions for the following. Bin B = 0 app (a) the magnitude of the induced emf in the loop during the time interval t -NBlv (b) the magnitude of the induced current in the coil I = (c) the power delivered to the coil P = (d) the force required to remove the coil from the field NI²B’v F =

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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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

An N-turn square coil with side l and resistance R is pulled to the right at constant speed v in the positive x-direction in the presence of a uniform magnetic field B acting
perpendicular to the coil, as shown in the figure below. At t = 0, the right side of the coil is at the edge of the field. After a time t has elapsed, the entire coil is in the region
where B = 0. In terms of the quantities N, B, l, v, and R, find symbolic expressions for the following.
Bn
B = 0
app
(a) the magnitude of the induced emf in the loop during the time interval t
E =
–NBlv
(b) the magnitude of the induced current in the coil
I =
(c) the power delivered to the coil
P =
(d) the force required to remove the coil from the field
F =

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