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Question 4.9: Determine the reactance of a 10 mH inductor at (a) 100 Hz an......

Determine the reactance of a 10 mH inductor at (a) 100 Hz and (b) at 10 kHz.

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(a) at 100 Hz

X_L = 20 × 100 × 10 × 10^{-3}= 6.28 Ω

(b) At 10 kHz

X_L = 20 × 10 × 103 × 10 × 10^{-3}= 628 Ω

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