Consider a straight current-carrying wire of length 1 oriented perpendicular to a magnetic field of strength B. If the current through wire is I then the force on this wire segment is 1.5 N. Calculate the magnitude of the magnetic force on this wire if it is reshaped into a semi-circle. The current through the wire, it's length and orientation relative to the magnetic field remain the same. B x X X

Consider a straight current-carrying wire of length 1 oriented perpendicular to a magnetic field of strength B. If the current through wire is I then the force on this wire segment is 1.5 N. Calculate the magnitude of the magnetic force on this wire if it is reshaped into a semi-circle. The current through the wire, it's length and orientation relative to the magnetic field remain the same. B x X X

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

Consider a straight current-carrying wire of length 1 oriented perpendicular to a magnetic field of strength
B. If the current through wire is I then the force on this wire segment is 1.5 N. Calculate the magnitude of
the magnetic force on this wire if it is reshaped into a semi-circle. The current through the wire, it's length
and orientation relative to the magnetic field remain the same.
B
x
X
X
X
X
x
X
X
The force on the semi-circle, F =
x
X
+
X
Х Х
Part 1 of 2
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