A coil of 40 henry inductance is connected in series with a resistance – McqOptions

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1.	A coil of 40 henry inductance is connected in series with a resistance of 8 ohm and the combination is joined to the terminals of a 2 volt battery. The time constant of the circuit is
A.	20 seconds
B.	5 seconds
C.	1/5 seconds
D.	40 seconds
Answer» C. 1/5 seconds

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