Q7 (10 Marks)
General
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Repeated 3x in exams
MET • Written Exam
(a) Explain power factor with a.c. Sine wave and phasor diagram. (6)
(b) A circuit has a resistance of 25Ω and an inductance value of 0.3H. If it is connected to a 230V, 50Hz supply, find the curcuit current, the power factor and the power dissipation (10)
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