A coil of 40 H inductance is connected in series with a resistance of 8 Ω and the…
Physics · JEE Main · NTA Exams — Electromagnetic Induction and Alternating Currents
A coil of 40 H inductance is connected in series with a resistance of 8 Ω and the combination is joined to the terminals of a 2 V battery. The time constant of the circuit is:
- 5 s
- 1/5 s
- 40 s
- 20 s
Answer
(A) 5 s
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