Questions
In figure a long straight wire carries a steady current I. A conducting rod is in contact with a pair of rails, and rotates about the straight wire. The induced current in the resistor R is
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Correct option is C
The velocity of every element of conducting rod is parallel to magnetic field. Therefore motional emf is zero.Similar Questions
A uniform conducting rod of length l is rotating with uniform angular velocity about point P in uniform magnetic field B as shown. Calculate VP – VQ.
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