An inductor of inductance 200 mH is connected to an A.C. source of peak e.m.f. 220 V and frequency 50 Hz. Calculate the peak current in the circuit.

Q.14 An inductor of inductance 200 mH is connected to an A.C. source of peak e.m.f. 220 V and frequency 50 Hz. Calculate the peak current in the circuit.

Doubtly Asked 27 Oct 2026 Board exam · March 2026 hsc 12th Save WhatsApp Report

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Answer: \(i_0 \approx 3.5\) A

Inductive reactance \(X_L = 2\pi f L = 2 \times 3.142 \times 50 \times 0.2 = 62.84\ \Omega\).

\[i_0 = \frac{e_0}{X_L} = \frac{220}{62.84} \approx 3.50\ \text{A}\]

Doubtly AI · 27 Oct 2026 AI-verified · Oct 2026 Report

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An inductor of inductance 200 mH is connected to an A.C. source of peak e.m.f. 220 V and frequency 50 Hz. Calculate the peak current in the circuit.

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