AC Fundamentals, Circuit and Circuit Theory At __________ frequencies the parallel R-L circuit behaves as purely resistive. Very low Low High Very high Very low Low High Very high ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of half wave rectified sine wave is 200 V. The r.m.s. value of full wave rectified AC. will be 282.8 V 100 V 111 V 141.4 V 282.8 V 100 V 111 V 141.4 V ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value and mean value is the same in the case of Triangular wave Sine wave Square wave Half wave rectified sine wave Triangular wave Sine wave Square wave Half wave rectified sine wave ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In each of the three coils of a three phase generator, an alternating voltage having an r.m.s. value of 220 V is induced. Which of the following values is indicated by the voltmeters? None of these 220/v3 V 220 V 220 v3 V None of these 220/v3 V 220 V 220 v3 V ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The purpose of a parallel circuit resonance is to magnify Current Voltage Power Frequency Current Voltage Power Frequency ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The reactance offered by a capacitor to alternating current of frequency 50 Hz is 20 Q. If frequency is increased to 100 Hz, reactance becomes __________ ohms. 15 2.5 5 10 15 2.5 5 10 ANSWER DOWNLOAD EXAMIANS APP
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