Electric Circuits An ideal constant voltage source has _______________ internal impedance whereas a constant current source has ____________ internal impedance. zero, infinite zero, zero infinite, infinite infinite, zero zero, infinite zero, zero infinite, infinite infinite, zero ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two equal resistors R connected in series across a voltage source V dissipate power P. What would be the power dissipated in the same resistors when they are connected in parallel across the same voltage source? 16P. 4P. 2P. P. 16P. 4P. 2P. P. ANSWER DOWNLOAD EXAMIANS APP
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 In RLC series circuit, if the voltage across capacitor is greater than voltage across inductor, then power factor of the network is lagging. zero. leading. unity. lagging. zero. leading. unity. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The time required for a pulse to change from 10 % to 90 % of its maximum value is known as rise time. decay time. run time. fall time. rise time. decay time. run time. fall time. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a resistor is connected across the voltage source and the frequency of voltage and current wave form is 50Hz, then what is frequency of instantaneous power 0 Hz. 150 Hz. 50 Hz. 100 Hz. 0 Hz. 150 Hz. 50 Hz. 100 Hz. ANSWER DOWNLOAD EXAMIANS APP
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