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 80 kW 32 kW 40 kW 36 kW 80 kW 32 kW 40 kW 36 kW ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The time constant of a series R-C circuit is given by R2C RC RC2 R/C R2C RC RC2 R/C ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The equation of 50 Hz current sine wave having r.m.s. value of 60 A is 60 sin 50 t 84.84 sin 3141 60 sin 25 t 42.42 sin 314 t 60 sin 50 t 84.84 sin 3141 60 sin 25 t 42.42 sin 314 t ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory Two waves of the same frequency have opposite phase when the phase angle between them is 0° 90° 360° 180° 0° 90° 360° 180° ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory The phosphors for which of the following pair are 180° out of phase for VL, VC and VR? VC and VL None of these VL and VR VC and VR VC and VL None of these VL and VR VC and VR ANSWER DOWNLOAD EXAMIANS APP
AC Fundamentals, Circuit and Circuit Theory In a pure inductive circuit The current leads the voltage by 90° The current can lead or lag by 90° The current lags behind the voltage by 90° The current is in phase with the voltage The current leads the voltage by 90° The current can lead or lag by 90° The current lags behind the voltage by 90° The current is in phase with the voltage ANSWER DOWNLOAD EXAMIANS APP
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