A coil has an inductance of 0.7 H and is joined in series with a resistance of 220 Ω …
Physics · JEE Advanced · NTA Exams — Electromagnetic Induction and Alternating Currents
A coil has an inductance of 0.7 H and is joined in series with a resistance of 220 Ω. When an alternating emf of 220 V at 50 cps is applied to it, then the wattless component of the current in the circuit is
- 5A
- 0.5 A
- 0.7 A
- 7 A
Answer
(B) 0.5 A
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