AC Fundamentals, Circuit and Circuit Theory Capacitors for power factor correction are rated in kVA kVAR kV kW kVA kVAR kV kW ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory If a sinusoidal wave has frequency of 50 Hz with 30 A r.m.s. current which of the following equation represents this wave? 60 sin 25 t 42.42 sin 314 t 84.84 sin 25 t 30 sin 50 t 60 sin 25 t 42.42 sin 314 t 84.84 sin 25 t 30 sin 50 t ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a loss-free R-L-C circuit the transient current is Non-oscillating Square wave Oscillating Sinusoidal Non-oscillating Square wave Oscillating Sinusoidal ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In the case of an unsymmetrical alternating current the average value must always be taken over The whole cycle The quarter cycle Unsymmetrical part of the wave form The half cycle The whole cycle The quarter cycle Unsymmetrical part of the wave form The half cycle ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The form factor is the ratio of None of these r.m.s. value to average value Average value to r.m.s. value Peak value to r.m.s. value None of these r.m.s. value to average value Average value to r.m.s. value Peak value to r.m.s. value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A pure inductance connected across 250 V, 50 Hz supply consumes 100 W. This consumption can be attributed to The reactance of the inductor The current flowing in the inductor The statement given is false The big size of the inductor The reactance of the inductor The current flowing in the inductor The statement given is false The big size of the inductor ANSWER DOWNLOAD EXAMIANS APP
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