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Question


A magnetic needle which is kept near a conductor gets deflected when current is passed through the conductor.


Options:
A .   True
B .   False
C .   If the direction of current in electromagnet winding is reversed.
D .   If the current in the electromagnet winding is doubled.
Answer: Option A
:
A

A magnetic field is developed around a current carrying conductor. The magnetic needle is deflected as a result of the interaction of this magnetic field and that around the magnetic needle. Thus, the given statement is true.



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