AC Fundamentals, Circuit and Circuit Theory What will be the phase angle between two alternating waves of equal frequency, when one wave attains maximum value the other is at zero value? 45° 30° 90° 180° 45° 30° 90° 180° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The transient currents are associated with the Applied voltage to the circuit Impedance of the circuit Resistance of the circuit Changes in the stored energy in the inductors and capacitors Applied voltage to the circuit Impedance of the circuit Resistance of the circuit Changes in the stored energy in the inductors and capacitors ANSWER DOWNLOAD EXAMIANS APP
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 Volt-amperes Reactive power True power Instantaneous power Volt-amperes Reactive power True power 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 Q. If frequency is increased to 100 Hz, reactance becomes __________ ohms. 10 2.5 15 5 10 2.5 15 5 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In an A.C. circuit power is dissipated in None of the listed here Resistance only Inductance only Capacitance only None of the listed here Resistance only Inductance only Capacitance only ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory At __________ frequencies the parallel R-L circuit behaves as purely resistive. Very low Very high High Low Very low Very high High Low ANSWER DOWNLOAD EXAMIANS APP