Electric Circuits The average value of half wave rectified sinusoidal current waveform, whose maximum value is 1A is 0.5 A. 0.637 A. 0.318 A. 1 A. 0.5 A. 0.637 A. 0.318 A. 1 A. ANSWER DOWNLOAD EXAMIANS APP
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. 250 900 130 400 250 900 130 400 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 230V, 50Hz voltage is applied to a coil having L = 5H and R = 2 Ohm in series with capacitance C. When the voltage across the coil is 400V, find the value of C? 10.54 µF. 8.51 µF. 4.78 µF. 1.8 µF. 10.54 µF. 8.51 µF. 4.78 µF. 1.8 µF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits At which of the following frequency voltage across capacitor has maximum value for series circuit ? Equal to resonance frequency Zero frequency Less than resonance frequency Greater than resonance frequency Equal to resonance frequency Zero frequency Less than resonance frequency Greater than resonance frequency ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For balanced star load, if unbalanced line current are IR, IY, IB equal to - j10, - j10 and - j20 respectively, the neutral current will be equal to (-9.66 + j5) A. (-8.66 - j5) A. (8.66 + j5) A. (8.66 - j5) A. (-9.66 + j5) A. (-8.66 - j5) A. (8.66 + j5) A. (8.66 - j5) A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the relation between line voltage and phase voltage in case of delta connection? VL = VP. VL = 1/ √3 VP. VL = √3 VP. None of these. VL = VP. VL = 1/ √3 VP. VL = √3 VP. None of these. ANSWER DOWNLOAD EXAMIANS APP
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