A coil of 40 H inductance is connected i...

A coil of `40 H` inductance is connected in series with a resistance of `8` ohm and the combination is joined to the terminals of a `2 V` battery. The time constant of the circuit

1/5 seconds

40 seconds

20 seconds

5 seconds

Text Solution

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The correct Answer is:

Time constant `=L/R=40/8`=5 seconds

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