AC Fundamentals, Circuit and Circuit Theory In the case of an unsymmetrical alternating current the average value must always be taken over The quarter cycle The whole cycle Unsymmetrical part of the wave form The half cycle The quarter cycle The whole cycle Unsymmetrical part of the wave form The half cycle ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory What will be the phase angle between two alternating waves of equal frequency, when one wave attains maximum value the other is at zero value? 180° 90° 45° 30° 180° 90° 45° 30° 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 In a series L-C circuit at the resonant frequency the Current is minimum Voltage across C is minimum Current is maximum Impedance is maximum Current is minimum Voltage across C is minimum Current is maximum Impedance is maximum ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a purely inductive circuit Apparent power is zero Actual power is zero Reactive power is zero None of the listed here Apparent power is zero Actual power is zero Reactive power is zero None of the listed here ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Capacitive reactance is more when Capacitance is less and frequency of supply is less Capacitance is less and frequency of supply is more Capacitance is more and frequency of supply is less Capacitance is more and frequency of supply is more Capacitance is less and frequency of supply is less Capacitance is less and frequency of supply is more Capacitance is more and frequency of supply is less Capacitance is more and frequency of supply is more ANSWER DOWNLOAD EXAMIANS APP
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