(b) When the current is passed continuously
through coil 1.
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When key is open, magnetic field lines around coil 2 decreases momentarily. This causes an induced current to flow in opposite direction. Hence, deflection occurs in opposite direction. (ii) When current is passed continuously through coil I, no deflection is observed in the galvanometer.
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The electromagnetic induction- the process by which a changing magnetic fieldin a conductor induces a current in another Conductor.
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