AC Fundamentals, Circuit and Circuit Theory In a loss-free R-L-C circuit the transient current is Oscillating Sinusoidal Non-oscillating Square wave Oscillating Sinusoidal Non-oscillating Square wave ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A pure capacitor connected across an A.C. voltage consumed 50 W. This is due to The size of the capacitor being quite big The current flowing in capacitor The statement is incorrect The capacitive reactance in ohms The size of the capacitor being quite big The current flowing in capacitor The statement is incorrect The capacitive reactance in ohms ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In any A.C. circuit always Reactive power is more than apparent power Apparent power is more than actual power Actual power is more than reactive power Reactive power is more than actual power Reactive power is more than apparent power Apparent power is more than actual power Actual power is more than reactive power Reactive power is more than actual power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The product of apparent power and cosine of the phase angle between circuit voltage and current is Volt-amperes Instantaneous power Reactive power True power Volt-amperes Instantaneous power Reactive power True power ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The effective resistance of an iron-cored choke working on ordinary supply frequency is more than its true resistance because of Capacitive effect between adjacent coil turns Skin effect Iron loss in core Increase in temperature Capacitive effect between adjacent coil turns Skin effect Iron loss in core Increase in temperature 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 decrease of resistance Increase with increase of capacitance and increase of resistance Increases with the decrease of capacitance and increase of resistance Increases with the increase of capacitance and decrease of resistance Increases with the decrease of capacitance and decrease of resistance Increase with increase of capacitance and increase of resistance Increases with the decrease of capacitance and increase of resistance ANSWER DOWNLOAD EXAMIANS APP