AC Fundamentals, Circuit and Circuit Theory In an AC. circuit, a low value of kVAR compared with kW indicates High power factor Low efficiency Maximum load current Unity power factor High power factor Low efficiency Maximum load current Unity power factor ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure capacitive circuit if the supply frequency is reduced to 1/2, the current will Be reduced to one fourth Be reduced by half Be four times at high Be doubled Be reduced to one fourth Be reduced by half Be four times at high Be doubled ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of an electrical circuit is equal to all of these Ratio of useful current to total current Iw/I R/Z Cosine of phase angle difference between current and voltage all of these Ratio of useful current to total current Iw/I R/Z Cosine of phase angle difference between current and voltage ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of the following circuit will be unity Inductance Capacitance None of the listed here Resistance Inductance Capacitance None of the listed here Resistance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value and mean value is the same in the case of Half wave rectified sine wave Square wave Sine wave Triangular wave Half wave rectified sine wave Square wave Sine wave Triangular wave ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The inductance of a coil can be increased by Decreasing the number of turns Decreasing the diameter of the former Increasing core length Choosing core material having high relative permeability Decreasing the number of turns Decreasing the diameter of the former Increasing core length Choosing core material having high relative permeability ANSWER DOWNLOAD EXAMIANS APP
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