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A copper rod which is 1 centimetre in diameter carries a current of 5 amps.
The current is distributed uniformly over the rod.
The magnetic field half way among the axis of the rod and its outside edge is:
Ans - Circles the axis of the rod
The Phenomenon of producing a transverse emf in a current carrying conductor on applying a magnetic field perpendicular to the direction of the current is known as Hall effect.
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