AC Fundamentals, Circuit and Circuit Theory Pure inductive circuit Does not take power at all from a line Takes power from the line during some part of the cycle and then returns back to it during other part of the cycle None of the listed here Consumes some power on average Does not take power at all from a line Takes power from the line during some part of the cycle and then returns back to it during other part of the cycle None of the listed here Consumes some power on average ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Inductance of coil Becomes zero with the increase in supply frequency Is unaffected by the supply frequency Increases with the increase in supply frequency Decreases with the increase in supply frequency Becomes zero with the increase in supply frequency Is unaffected by the supply frequency Increases with the increase in supply frequency Decreases with the increase in supply frequency 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/v3 V None of these 220 v3 V 220 V 220/v3 V None of these 220 v3 V 220 V ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Time constant of a capacitive circuit Increases with the increase of capacitance and decrease of resistance Increases with the decrease of capacitance and increase of resistance Increase with increase of capacitance and increase of resistance Increases with the decrease of capacitance and decrease of resistance Increases with the increase of capacitance and decrease of resistance Increases with the decrease of capacitance and increase of resistance Increase with increase of capacitance and increase of resistance Increases with the decrease of capacitance and decrease of resistance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Capacitors for power factor correction are rated in kW kVAR kV kVA kW kVAR kV kVA ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The purpose of a parallel circuit resonance is to magnify Voltage Current Frequency Power Voltage Current Frequency Power ANSWER DOWNLOAD EXAMIANS APP