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. 90 45 30 60 90 45 30 60 ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory A pure inductance connected across 250 V, 50 Hz supply consumes 100 W. This consumption can be attributed to The big size of the inductor The statement given is false The current flowing in the inductor The reactance of the inductor The big size of the inductor The statement given is false The current flowing in the inductor The reactance of the inductor ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The phase difference between voltage and current wave through a circuit element is given as 30°. The essential condition is that Both waves must have same frequency Both waves must have zero value at the same time Both waves must have identical peak values None of these Both waves must have same frequency Both waves must have zero value at the same time Both waves must have identical peak values None of these ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The safest value of current the human body can carry for more than 3 second is 9 mA 5 mA 4 mA 15 mA 9 mA 5 mA 4 mA 15 mA ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory At __________ frequencies the parallel R-L circuit behaves as purely resistive. Very high Very low Low High Very high Very low Low High ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a series L-C circuit at the resonant frequency the Current is minimum Impedance is maximum Voltage across C is minimum Current is maximum Current is minimum Impedance is maximum Voltage across C is minimum Current is maximum ANSWER DOWNLOAD EXAMIANS APP
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