AC Fundamentals, Circuit and Circuit Theory The apparent power drawn by an A.C. circuit is 10 kVA and active power is 8 kW. The reactive power in the circuit is 8 kVAR 10 kVAR 12 kVAR 16 kVAR 8 kVAR 10 kVAR 12 kVAR 16 kVAR ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Time constant of a circuit is the time in seconds taken after the application of voltage to each 63% of maximum value 25% of maximum value 90% of the maximum value 50% of maximum value 63% of maximum value 25% of maximum value 90% of the maximum value 50% of maximum value ANSWER DOWNLOAD EXAMIANS APP
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 Which of the following circuit component opposes the change in the circuit voltage ? Conductance Capacitance Inductance Resistance Conductance Capacitance Inductance Resistance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory If a sinusoidal wave has frequency of 50 Hz with 30 A r.m.s. current which of the following equation represents this wave? 60 sin 25 t 30 sin 50 t 42.42 sin 314 t 84.84 sin 25 t 60 sin 25 t 30 sin 50 t 42.42 sin 314 t 84.84 sin 25 t ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A parallel AC. circuit in resonance will Have current in each section equal to the line current Have a high impedance Have a high voltage developed across each inductive and capacitive section Act like a resistor of low value Have current in each section equal to the line current Have a high impedance Have a high voltage developed across each inductive and capacitive section Act like a resistor of low value ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS