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? 30° 90° 180° 45° 30° 90° 180° 45° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The power consumed in a circuit element will be least when the phase difference between the current and voltage is 60° 30° 180° 90° 60° 30° 180° 90° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The power factor of a D.C. circuit is always Unity Zero Less than unity Greater than unity Unity Zero Less than unity Greater than unity ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a series L-C circuit at the resonant frequency the Current is maximum Impedance is maximum Voltage across C is minimum Current is minimum Current is maximum Impedance is maximum Voltage across C is minimum Current is minimum 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 True power Instantaneous power Volt-amperes Reactive power True power Instantaneous power Volt-amperes Reactive power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory All definitions of power factor of a series R-L-C circuit are correct except Ratio of J and Z Ratio of kW and kVA Ratio of W and VA Ratio of net reactance and impedance Ratio of J and Z Ratio of kW and kVA Ratio of W and VA Ratio of net reactance and impedance ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS