Question:
A 44 mH inductor is connected to 220 V, 50 Hz ac supply. Determine the rms value of the current in the circuit.
Answer:
Induction of inductor, L = 44 mH = 44 x 10-3 H Voltage V = 220 V Frequenct v = 50 Hz Angular frequency ω = 2πv Inductive reactance XL = ω x L = 2 x π x v x L rms value of current I = v/ XL = 220/2 π x 50 x 44 x 10-3 = 15.92 A Hence, rms value of current in the circuit is 15.92 A
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