An inductor L=200 mH is connected to a 220 V, 50 Hz AC source as shown. The instantaneous source voltage is 0 when the current is at its peak value a/π A. Find a.

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G1 Physics · Accepted Answer

Use Xₗ=ωL, X꜀=1/(ωC), Z=√[R²+(Xₗ-X꜀)²] and Iᵣₘₛ=Vᵣₘₛ/Z. The circuit condition gives 242.