AC Fundamentals, Circuit and Circuit Theory The product of apparent power and cosine of the phase angle between circuit voltage and current is Instantaneous power Reactive power Volt-amperes True power Instantaneous power Reactive power Volt-amperes True power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure inductive circuit The current can lead or lag by 90° The current is in phase with the voltage The current leads the voltage by 90° The current lags behind the voltage by 90° The current can lead or lag by 90° The current is in phase with the voltage The current leads the voltage by 90° The current lags behind the voltage by 90° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of an inductive circuit is usually improved by connecting capacitor to it in Both parallel and series None of the listed here Parallel Series Both parallel and series None of the listed here Parallel Series ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A pure capacitor connected across an A.C. voltage consumed 50 W. This is due to The size of the capacitor being quite big The statement is incorrect The capacitive reactance in ohms The current flowing in capacitor The size of the capacitor being quite big The statement is incorrect The capacitive reactance in ohms The current flowing in capacitor ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A sine wave has a frequency of 50 Hz. Its angular frequency is __________ radian/second. 100 n 25 JT 5 n 50 jt 100 n 25 JT 5 n 50 jt ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory At very low frequencies a series R-C circuit behaves as almost purely None of the listed here Inductive Resistive Capacitive None of the listed here Inductive Resistive Capacitive ANSWER DOWNLOAD EXAMIANS APP
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