Naked wire is not used while making an electromagnet.
What is the cause of deflection of magnetic compass.
In the given figure N-S is a compass needle. Look at this and answer the following.
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What are the ways to increase the amount of induced current in electromagnetic induction?
Why does the galvanometer deflect if magnet is moved in the electromagnetic field ?
What will happen if the magnet taken out of the box after keeping the N pole end of magnet inside . The box is surrounded by wire and there is a galvanometer.
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