Question

when electricity passes through a wire, it deflects the compass needle. give reason​

Answer 1

Answer:

it will experience two magnetic fields (one magnetic field due to wire and another magnetic field due tocompass). As a result when they interact with each other there will be deflection seen in the magnetic needle.

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Answer 2

Answer:

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Explanation:

Magnetic compass needle shows deflection in the direction of magnetic field lines. We know that the points A and B has magnetic field lines in opposite direction, thus the needle of the compass will deflect in the opposite direction.