Electric Circuits A motor having a power factor of 0.8 absorbs in active power of 1200 W the reactive power drawn from the supply is _________ VA. 400 130 900 250 400 130 900 250 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is called the instantaneous value of an alternating current? The value of peak current at any instant. The value of alternating quantity at any instant. The value of peak quantity at any instant. The value of alternating frequency at any instant. The value of peak current at any instant. The value of alternating quantity at any instant. The value of peak quantity at any instant. The value of alternating frequency at any instant. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Image impedance can be written by using short circuit impedance(Zsc)and open circuit impedance(Zoc) as Zsc+Zoc (Zsc . Zoc)½ Zsc/Zoc Zsc-Zoc Zsc+Zoc (Zsc . Zoc)½ Zsc/Zoc Zsc-Zoc ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The maximum value of a current wave is 2A. If the form factor of a current wave is 1.5 and the peak factor is 2.7, find the average value in Amperes. 0.494 A. 1.414 A. 0.741 A. 1.57 A. 0.494 A. 1.414 A. 0.741 A. 1.57 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of sinusoidal voltage wave V = 200sinω0t 100√2 V. 200 V. 100 V. 200√2 V. 100√2 V. 200 V. 100 V. 200√2 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A balanced star connected load with impedance of 30j - 300 Ω is supplied from a 3 - phase, 4-wire, 173 V system, the voltages to neutral being 100j -900, 100j - 300 and 100j -1500 V. The current in neutral wire is 5 A. 50 A. 8.85 A. zero. 5 A. 50 A. 8.85 A. zero. ANSWER DOWNLOAD EXAMIANS APP
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