AC Fundamentals, Circuit and Circuit Theory The product of apparent power and cosine of the phase angle between circuit voltage and current is Volt-amperes Reactive power Instantaneous power True power Volt-amperes Reactive power Instantaneous power True power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In an AC. circuit, a low value of kVAR compared with kW indicates High power factor Unity power factor Maximum load current Low efficiency High power factor Unity power factor Maximum load current Low efficiency ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a loss-free R-L-C circuit the transient current is Square wave Oscillating Non-oscillating Sinusoidal Square wave Oscillating Non-oscillating Sinusoidal ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Form factor for a sine wave is 1.11 0.637 1.414 0.707 1.11 0.637 1.414 0.707 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The reactance offered by a capacitor to alternating current of frequency 50 Hz is 20 ohm. If frequency is increased to 100 Hz, reactance becomes __________ ohms. 25 10 5 15 25 10 5 15 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The peak value of a sine wave is 200 V. Its average value is 282.8 V 200 V 127.4 V 141.4 V 282.8 V 200 V 127.4 V 141.4 V ANSWER DOWNLOAD EXAMIANS APP
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