Physics-
General
Easy
Question
An inductance 
and a resistance 
are first connected to a battery. After some time the battery is disconnected but and remain connected in a closed circuit. Then the current reduces to 37% of its initial value in
The correct answer is:
When battery is disconnected current through the circuit starts decreasing exponentially according to 
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In the diagram shown if a bar magnet is moved along the common axis of two single turn coils 
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