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? 60 sin 25 t 30 sin 50 t 42.42 sin 314 t 84.84 sin 25 t 60 sin 25 t 30 sin 50 t 42.42 sin 314 t 84.84 sin 25 t ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure inductive circuit The current is in phase with the voltage The current can lead or lag by 90° The current lags behind the voltage by 90° The current leads the voltage by 90° The current is in phase with the voltage The current can lead or lag by 90° The current lags behind the voltage by 90° The current leads the voltage by 90° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The frequency of domestic power supply in India is 50 Hz 150 Hz 200 Hz 250 Hz 50 Hz 150 Hz 200 Hz 250 Hz ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is 32 kW 80 kW 36 kW 40 kW 32 kW 80 kW 36 kW 40 kW ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory For the same peak value which of the following wave will 'have the highest r.m.s. 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 Form Factor is the ratio of Average value/peak value r.m.s. value/average value Average value/r.m.s. value r.m.s. value/peak value Average value/peak value r.m.s. value/average value Average value/r.m.s. value r.m.s. value/peak value ANSWER DOWNLOAD EXAMIANS APP
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