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 net reactance and impedance Ratio of W and VA Ratio of kW and kVA Ratio of J and Z Ratio of net reactance and impedance Ratio of W and VA Ratio of kW and kVA 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 Reactive power Volt-amperes True power Instantaneous power Reactive power Volt-amperes True power Instantaneous power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In each of the three coils of a three phase generator, an alternating voltage having an r.m.s. value of 220 V is induced. Which of the following values is indicated by the voltmeters? 220 V 220/v3 V None of these 220 v3 V 220 V 220/v3 V None of these 220 v3 V ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The peak value of a sine wave is 200 V. Its average value is 200 V 127.4 V 141.4 V 282.8 V 200 V 127.4 V 141.4 V 282.8 V ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory If two sinusoids of the same frequency but of different amplitudes and phase angles are subtracted, the resultant is A sinusoid of double the frequency A sinusoid of the same frequency A sinusoid of half the original frequency None of the listed here A sinusoid of double the frequency A sinusoid of the same frequency A sinusoid of half the original frequency None of the listed here ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a circuit containing R, L and C, power loss can take place in Inductance only Resistance only Capacitance only All of the listed here Inductance only Resistance only Capacitance only All of the listed here ANSWER DOWNLOAD EXAMIANS APP