AC Fundamentals, Circuit and Circuit Theory The period of a sine wave is ___________ seconds. Its frequency is 30 Hz 20 Hz 40 Hz 50 Hz 30 Hz 20 Hz 40 Hz 50 Hz ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of the following circuit will be zero Capacitance Inductance Both of the listed here Resistance Capacitance Inductance Both of the listed here Resistance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory At __________ frequencies the parallel R-L circuit behaves as purely resistive. Low High Very high Very low Low High Very high Very low ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For the same peak value which of the following wave will 'have the highest r.m.s. value? Triangular wave Half wave rectified sine wave Square wave Sine wave Triangular wave Half wave rectified sine wave Square wave Sine wave ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a series L-C circuit at the resonant frequency the Current is minimum Current is maximum Voltage across C is minimum Impedance is maximum Current is minimum Current is maximum Voltage across C is minimum Impedance is maximum ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The phosphors for which of the following pair are 180° out of phase for VL, VC and VR? None of these VL and VR VC and VR VC and VL None of these VL and VR VC and VR VC and VL ANSWER DOWNLOAD EXAMIANS APP