AC Fundamentals, Circuit and Circuit Theory The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is 32 kW 80 kW 40 kW 36 kW 32 kW 80 kW 40 kW 36 kW ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For the same peak value, which of the following wave has the least mean value? Square wave Sine wave Triangular wave Half wave rectified sine wave Square wave Sine wave Triangular wave Half wave rectified sine wave ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Poor power factor Reduces load handling capability of electrical system All of the listed here Results in more power losses in the electrical system Overloads alternators, transformers and distribution lines Reduces load handling capability of electrical system All of the listed here Results in more power losses in the electrical system Overloads alternators, transformers and distribution lines ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure resistive circuit Current can lead or lag the voltage by 90° None of the listed here Current is in phase with the voltage Current lags behind the voltage by 90° Current can lead or lag the voltage by 90° None of the listed here Current is in phase with the voltage Current lags behind the voltage by 90° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Inductance affects the direct current flow Only at the time of turning off Only at the time of turning on At the time of turning on and off At all the time of operation Only at the time of turning off Only at the time of turning on At the time of turning on and off At all the time of operation 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 is in phase with the voltage The current can lead or lag by 90° The current leads the voltage by 90° The current lags behind the voltage by 90° The current is in phase with the voltage The current can lead or lag by 90° The current leads the voltage by 90° ANSWER DOWNLOAD EXAMIANS APP
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