Question

What happens when we pass electric current through a copper wire
and bring a compass near the wire​

Answer 1

Answer:

If the current flows from north to south, as shown in Fig. 5 (a), the north pole of the compass needle would move towards the east. ... This would result in the change of the direction of current through the copper wire, that is, from south to north. Observe the change in the direction of deflection of the needle............

Explanation:

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