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Choose the correct alternative : When ...

Choose the correct alternative :
When the battery connected to an electromagnet is reversed .

A

the magnet needle kept near it will show deflection in opposite direction

B

there will not be any current flowing through the circuit

C

magnetic needle kept near it will come back to its original position and will stay here

D

electromagnet will lose its magnetism

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The correct Answer is:
A, C, D
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