AC Fundamentals, Circuit and Circuit Theory For the same peak value, which of the following wave has the least mean value? Square wave Triangular wave Sine wave Half wave rectified sine wave Square wave Triangular wave Sine wave Half wave rectified sine wave ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory If two sinusoids of the same frequency but of different amplitudes and phase angles are subtracted, the resultant is A sinusoid of the same frequency A sinusoid of half the original frequency None of the listed here A sinusoid of double the frequency A sinusoid of the same frequency A sinusoid of half the original frequency None of the listed here A sinusoid of double the frequency ANSWER DOWNLOAD EXAMIANS APP
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? 84.84 sin 25 t 30 sin 50 t 42.42 sin 314 t 60 sin 25 t 84.84 sin 25 t 30 sin 50 t 42.42 sin 314 t 60 sin 25 t ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure resistive circuit Current can lead or lag the voltage by 90° Current is in phase with the voltage None of the listed here Current lags behind the voltage by 90° Current can lead or lag the voltage by 90° Current is in phase with the voltage None of the listed here Current lags behind the voltage by 90° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a purely inductive circuit Actual power is zero None of the listed here Apparent power is zero Reactive power is zero Actual power is zero None of the listed here Apparent power is zero Reactive power is zero ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The apparent power drawn by an A.C. circuit is 10 kVA and active power is 8 kW. The reactive power in the circuit is 10 kVAR 12 kVAR 16 kVAR 8 kVAR 10 kVAR 12 kVAR 16 kVAR 8 kVAR ANSWER DOWNLOAD EXAMIANS APP
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