Question

An e.m.f. E = 4 cos(1000t) volt is applied to an LR-circuit of inductance 3mH and resistance
4 ohms. The amplitude of current in the circuit is
1)4/root 7
2)1.0A
3)4/7A

4) 0.8A
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Answer 1

Answer:

0.8a

Explanation:

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