Multiple Choice
-In the figure,a bar is in contact with a pair of parallel rails.A steady,uniform,magnetic field B is present.The bar is in motion with velocity ν.The polarity of the induced emf in terminals X and Y is:
A) X and Y are at the same potential
B) X is positive and Y is negative
C) Y is positive and X is negative
Correct Answer:

Verified
Correct Answer:
Verified
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