An inductor of inductance 2 mH is connected to a 220 V , 50 Hz a.c. source. Let inductive reactance in the circuit is X 1 . If a 220 V d.c. source replaces the a.c. source in the circuit, then the i

Question

An inductor of inductance 2 mH is connected to a 220 V , 50 Hz a.c. source. Let inductive reactance in the circuit is X 1 ​ . If a 220 V d.c. source replaces the a.c. source in the circuit, then the inductive reactance in the circuit is X 2 ​ ⋅ X 1 ​ and X 2 ​ respectively are:NEET 2022 (Phase 2)

TestHub · Accepted Answer

For AC circuits, X L ​ X L ​ X L ​ Hence, ​ = ω L = 2 πn L = 0.628Ω X 1 ​ = 0.628Ω ​ ( ∵ ω = 2 πn ) For DC circuits, ω = 0 X L ​ X L ​ X 2 ​ ​ = ω L = 0 = 0 ​ Hence X 2 ​ = 0

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