A. apparent power is equal to the actual power
B. reactive power is more than the apparent power
C. reactive power is more than the actual power
D. actual power is more than its reactive power
Related Mcqs:
- In a pure capacitive circuit if the supply frequency is reduced to 1/2, the current will__________?
A. be reduced by half
B. be doubled
C. be four times at high
D. be reduced to one fourth - In a series L-C circuit at the resonant frequency the__________?
A. current is maximum
B. current is minimum
C. impedance is maximum
D. voltage across C is minimum - Capacitive reactance is more when_______?
A. capacitance is less and frequency of supply is less
B. capacitance is less and frequency of supply is more
C. capacitance is more and frequency of supply is less
D. capacitance is more and frequency of supply is more - Capacitive susceptance is a measure of__________?
A. reactive power in a circuit
B. the extent of neutralisation of reactive power in a circuit
C. a purely capacitive circuit’s ability to pass current
D. a purely capacitive circuit’s ability to resist the flow of current - Time constant of a capacitive circuit__________?
A. increases with the decrease of capacitance and decrease of resistance
B. increases with the decrease of capacitance and increase of resistance
C. increases with the increase of capacitance and decrease of resistance
D. increase with increase of capacitance and increase of resistance - All the rules and laws of D.C. circuit also apply to A.C. circuit containing_____________?
A. capacitance only
B. inductance only
C. resistance only
D. all above - The apparent power drawn by an A.C. circuit is 10 kVA and active power is 8 kW. The reactive power in the circuit is_________?
A. 4 kVAR
B. 6 kVAR
C. 8 kVAR
D. 16 kVAR - The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is__________?
A. 12 kW
B. 22 kW
C. 32 kW
D. 64 kW - If resistance is 20 Q. and inductance is 27 in a R-L series circuit, then time constant of this circuit will be________?
A. 0.001 s
B. 0.1 s
C. 10 s
D. 100 s - Which of the following circuit component opposes the change in the circuit voltage ?
A. Inductance
B. Capacitance
C. Conductance
D. Resistance
