Electric Circuits In which braking back emf exceeds supply voltage? None of these. Plugging. Regenerative. Dynamic. None of these. Plugging. Regenerative. Dynamic. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor passes both AC and DC. passes DC but blocks AC. passes AC but blocks DC. blocks both AC and DC. passes both AC and DC. passes DC but blocks AC. passes AC but blocks DC. blocks both AC and DC. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits At which of the following frequency voltage across capacitor has maximum value for series circuit ? Zero frequency Equal to resonance frequency Less than resonance frequency Greater than resonance frequency Zero frequency Equal to resonance frequency Less than resonance frequency Greater than resonance frequency ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The synchronous speed for the seventh space harmonic mmf wave of 8 pole, 50 Hz induction machine will be 5250 rpm in reverse direction. 5250 rpm in forward direction. 107.14 rpm in reverse direction. 107.14 rpm in forward direction. 5250 rpm in reverse direction. 5250 rpm in forward direction. 107.14 rpm in reverse direction. 107.14 rpm in forward direction. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The voltage across R and L in a series RL circuit are found to be 200 V and 150 V respectively the rms value of the voltage across the series combination is ______ V. 450 250 200 360 450 250 200 360 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The active and reactive power in an AC circuit are 10W and 20VAR respectively. What is the power factor? 0.577. 0.866. 0.5. 1. 0.577. 0.866. 0.5. 1. ANSWER DOWNLOAD EXAMIANS APP
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