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 a high voltage developed across each inductive and capacitive section Act like a resistor of low value Have a high impedance Have current in each section equal to the line current Have a high voltage developed across each inductive and capacitive section Act like a resistor of low value Have a high impedance Have current in each section equal to the line current 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 capacitive reactance in ohms The size of the capacitor being quite big The statement is incorrect The current flowing in capacitor The capacitive reactance in ohms The size of the capacitor being quite big The statement is incorrect The current flowing in capacitor ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The power factor of a D.C. circuit is always Unity Less than unity Zero Greater than unity Unity Less than unity Zero Greater than unity ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a R-L-C circuit All of the listed here Exchange of power takes place between inductor and supply line Exchange of power takes place between capacitor and supply line Power is consumed in resistance and is equal to IR All of the listed here Exchange of power takes place between inductor and supply line Exchange of power takes place between capacitor and supply line Power is consumed in resistance and is equal to IR ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a highly capacitive circuit the Reactive power is more than the apparent power Actual power is more than its reactive power Apparent power is equal to the actual power Reactive power is more than the actual power Reactive power is more than the apparent power Actual power is more than its reactive power Apparent power is equal to the actual power Reactive power is more than the actual power ANSWER DOWNLOAD EXAMIANS APP
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