AC Fundamentals, Circuit and Circuit Theory The phase difference between voltage and current wave through a circuit element is given as 30°. The essential condition is that Both waves must have same frequency Both waves must have identical peak values Both waves must have zero value at the same time None of the listed here Both waves must have same frequency Both waves must have identical peak values Both waves must have zero value at the same time None of the listed here ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a loss-free R-L-C circuit the transient current is Sinusoidal Square wave Non-oscillating Oscillating Sinusoidal Square wave Non-oscillating Oscillating ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The voltage of domestic supply is 220 V. This figure represents Peak value Average value R.m.s. value Mean value Peak value Average value R.m.s. value Mean value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following statements pertains to resistors only? Oppose sudden changes in voltage Can dissipate considerable amount of power Can act as energy storage devices Connecting them in parallel increases the total value Oppose sudden changes in voltage Can dissipate considerable amount of power Can act as energy storage devices Connecting them in parallel increases the total value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In an AC. circuit, a low value of kVAR compared with kW indicates Maximum load current Low efficiency Unity power factor High power factor Maximum load current Low efficiency Unity power factor High power factor ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a series L-C circuit at the resonant frequency the Voltage across C is minimum Impedance is maximum Current is maximum Current is minimum Voltage across C is minimum Impedance is maximum Current is maximum Current is minimum ANSWER DOWNLOAD EXAMIANS APP
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