AC Fundamentals, Circuit and Circuit Theory In the case of an unsymmetrical alternating current the average value must always be taken over Unsymmetrical part of the wave form The whole cycle The quarter cycle The half cycle Unsymmetrical part of the wave form The whole cycle The quarter cycle The half cycle ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The r.m.s. value of alternating current is given by steady (D.C.) current which when flowing through a given circuit for a given time produces The less heat than produced by A.C. flowing through the same circuit The more heat than produced by A.C. when flowing through the same circuit The same heat as produced by A.C. when flowing through the same circuit None of these The less heat than produced by A.C. flowing through the same circuit The more heat than produced by A.C. when flowing through the same circuit The same heat as produced by A.C. when flowing through the same circuit None of these ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Form Factor is the ratio of Average value/r.m.s. value Average value/peak value r.m.s. value/peak value r.m.s. value/average value Average value/r.m.s. value Average value/peak value r.m.s. value/peak value r.m.s. value/average value ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory At __________ frequencies the parallel R-L circuit behaves as purely resistive. Low Very low Very high High Low Very low Very high High ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The period of a sine wave is ___________ seconds. Its frequency is 20 Hz 50 Hz 40 Hz 30 Hz 20 Hz 50 Hz 40 Hz 30 Hz 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 True power Reactive power Instantaneous power Volt-amperes True power Reactive power Instantaneous power ANSWER DOWNLOAD EXAMIANS APP
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