AC Fundamentals, Circuit and Circuit Theory When an alternating current passes through an ohmic resistance the electrical power converted into heat is Apparent power None of the listed here Active power Reactive power Apparent power None of the listed here Active power Reactive power 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? VC and VL None of the listed here VL and VR VC and VR VC and VL None of the listed here VL and VR VC and VR ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For a sine wave with peak value Imax the r.m.s. value is 0.707 0.9 1.414 Imax 0.5 Imax 0.707 0.9 1.414 Imax 0.5 Imax ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The frequency of an alternating current is The number of waves passing through a point in one second The number of cycles generated in one minute The speed with which the alternator runs The number of electrons passing through a point in one second The number of waves passing through a point in one second The number of cycles generated in one minute The speed with which the alternator runs The number of electrons passing through a point in one second ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Power factor of the following circuit will be zero Resistance Inductance Both of the listed here Capacitance Resistance Inductance Both of the listed here Capacitance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure inductive circuit The current lags behind the voltage by 90° The current leads the voltage by 90° The current is in phase with the voltage The current can lead or lag by 90° The current lags behind the voltage by 90° The current leads the voltage by 90° The current is in phase with the voltage The current can lead or lag by 90° ANSWER DOWNLOAD EXAMIANS APP