A resistor is connected in series with a inductor to a , AC supply

PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

A 20 Ω20\,\Omega resistor is connected in series with a 0.20 H0.20\,\text{H} inductor to a 220 V220\,\text{V}, 50 Hz50\,\text{Hz} AC supply. The rms current drawn by the circuit is closest to (a) 4.7 A4.7\,\text{A} (b) 11 A11\,\text{A} (c) 3.3 A3.3\,\text{A} (d) 2.7 A2.7\,\text{A}

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