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Calculate the value of capacitive reactance if F=60 Hz and C=14 H.

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Calculate the value of capacitive reactance if F=60 Hz and C=14 H.

(a) 189.5 mΩ

(b) 252.4 mΩ

(c) 244.5 mΩ

(d) 244.8 mΩ

The question was posed to me during a job interview.

Asked question is from Induction Motors in chapter Speed Control of Direct Current Motors & Induction Motors of Electric Drives

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Correct choice is (a) 189.5 mΩ

The best explanation: Capacitive reactance can be calculated using the relation Xc=1÷2×3.14×f×L. The value of capacitive reactance is Xc=1÷2×3.14×50×12=189.5 mΩ.

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