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प्रश्न
Describe different ways to induce current in a coil of wire.
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उत्तर
Different ways of inducing current in a wire:
When a magnet is moved towards/away from the coil of wire connected to a galvanometer, a deflection in the galvanometer is observed due to induced current, change in magnetic field and relative motion between magnet and coil.
Take a coil of wire and connect it to a power supply. Now, place another coil connected to a galvanometer near the first coil and switch on the power supply connected to the first coil. A deflection in the galvanometer is observed due to induced current and change in magnetic field generated by the first coil.
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