AC Fundamentals » Exercise – 1
14. A two element series circuit with an instantaneous current I – 4.24 sin (5000t + 450) A has a power of 180 watts and a power factor of 0.8 lagging. The inductance of the circuit must have the value ________.
(a) 3 H
(b) 0.3 H
(c) 3 mH
(d) 0.3 mH
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