A. zero
B. lagging
C. leading
D. unity
Advertisement
Related Mcqs:
- 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...
- 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 power consumed in a circuit element will be least when the phase difference between the current and voltage is__________?
- A. 180″ B. 90° C. 60° D. 0°...
- When an alternating current passes through an ohmic resistance the electrical power converted into heat is__________?
- A. apparent power B. true power C. reactive power D. none of the above...
- Power factor of an electrical circuit is equal to____________?
- A. R/Z B. cosine of phase angle difference be-tween current and voltage C. kW/kVA D. ratio of useful current to total cur¬rent Iw/I E. all of these...
- Power factor of the following circuit will be unity
- A. inductance B. capacitance C. resistance D. both A. and B....
- Power factor of the following circuit will be zero__________?
- A. resistance B. inductance C. capacitance D. both B. and C....
- Power factor of the system is kept high__________?
- A. to reduce line losses B. to maximise the utilization of the capacities of generators, lines and transformers C. to reduce voltage regulation of the line D. due to all above reasons...
- The power factor of a D.C. circuit is always__________?
- A. less than unity B. unity C. greater than unity D. zero...
- All definitions of power factor of a series R-L-C circuit are correct except__________?
- A. ratio of net reactance and impedance B. ratio of kW and kVA C. ratio of J and Z D. ratio of W and VA...
Advertisement