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A coil of 500 turns links a flux of 2 x 10^-4 Wb per turn when it carries 0.5 A. What is its inductance?
A0.1 H
B2 H
C0.2 H
D0.02 H
Answer & Solution
Correct answer: C. 0.2 H
Inductance is N times flux over current, so 500 x 2e-4 / 0.5 = 0.2 H.
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