Motional EMF

  • Thread starter Kites
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  • #1
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Homework Statement



Here is the problem:

Given a rod of Length L with one end centered at the origin and the other at y=L and given a magnetic field of strength B that points out of the page, what is the graph of the magnitude of the voltage read by a voltmeter as a constant velocity is applied to the rod as it moves across the field?



Homework Equations



E_y, Induced = -v *B (electric field induced)
EMF = -v*B*L



The Attempt at a Solution




I am having trouble visualizing the specifics of the motion, if it is a constant velocity should i expect a constant slope for the graph of the voltage with traits similiar to X=Y or is it simply a constant value? (which seems unreasonable)
 

Answers and Replies

  • #2
Can't you use this equation to derive the answer? ;-).

"EMF(voltage) = -v*B*L"
 

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