AC Fundamentals, Circuit and Circuit Theory The phase difference between voltage and current wave through a circuit element is given as 30°. The essential condition is that Both waves must have identical peak values Both waves must have same frequency Both waves must have zero value at the same time None of these Both waves must have identical peak values Both waves must have same frequency Both waves must have zero value at the same time None of these 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
AC Fundamentals, Circuit and Circuit Theory The power factor of a D.C. circuit is always Greater than unity Less than unity Zero Unity Greater than unity Less than unity Zero Unity ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The inductance of a coil can be increased by Decreasing the number of turns Choosing core material having high relative permeability Increasing core length Decreasing the diameter of the former Decreasing the number of turns Choosing core material having high relative permeability Increasing core length Decreasing the diameter of the former 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 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 Ratio of J and Z ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure resistive circuit None of the listed here Current can lead or lag the voltage by 90° Current lags behind the voltage by 90° Current is in phase with the voltage None of the listed here Current can lead or lag the voltage by 90° Current lags behind the voltage by 90° Current is in phase with the voltage ANSWER DOWNLOAD EXAMIANS APP
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