AC Fundamentals, Circuit and Circuit Theory Time constant of a circuit is the time in seconds taken after the application of voltage to each 50% of maximum value 90% of the maximum value 25% of maximum value 63% of maximum value 50% of maximum value 90% of the maximum value 25% of maximum value 63% of maximum value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Which of the following circuit component opposes the change in the circuit voltage ? Resistance Inductance Conductance Capacitance Resistance Inductance Conductance Capacitance ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In any A.C. circuit always Apparent power is more than actual power Reactive power is more than actual power Actual power is more than reactive power Reactive power is more than apparent power Apparent power is more than actual power Reactive power is more than actual power Actual power is more than reactive power Reactive power is more than apparent power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of a sinusoidal A.C. current is equal to its value at an angle of ________ degrees. 30 45 90 60 30 45 90 60 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The best place to install a capacitor is Across the terminals of the inductive load Any of the listed here Very near to inductive load Far away from the inductive load Across the terminals of the inductive load Any of the listed here Very near to inductive load Far away from the inductive load 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 VR VC and VL VL and VR None of the listed here VC and VR VC and VL VL and VR None of the listed here ANSWER DOWNLOAD EXAMIANS APP