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STANDARDPhysics-Alternating Current

STANDARD Physics Inductive Reactance MCQ Question

Type: MCQ-numerical-Medium-Class 12

A 44 mH inductor is connected to 220 V, 50 Hz ac supply. The rms value of the current in the circuit is

A

12.8 A

B

13.6 A

C

15.9 A

D

19.5 A

Correct Answer

Option C

Detailed Explanation

The inductive reactance is calculated using Xₗ = 2πfL. Substituting the given values, Xₗ = 2 × 3.14 × 50 × 44 × 10⁻³ = 13.82 Ω. The rms current Iₘₛ = Vₘₛ / Xₗ = 220 / 13.82 = 15.9 A.

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