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प्रश्न
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 ______.
पर्याय
20 seconds
5 seconds
1/5 seconds
40 seconds
MCQ
रिकाम्या जागा भरा
उत्तर
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 5 seconds.
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