A. demand
B. load
C. power
D. form
Related Mcqs:
- 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 product of apparent power and cosine of the phase angle between circuit voltage and current is
A. true power
B. reactive power
C. volt-amperes
D. instantaneous power - 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 form factor is the ratio of_______?
A. peak value to r.m.s. value
B. r.m.s. value to average value
C. average value to r.m.s. value
D. none of the above - Form Factor is the ratio of__________?
A. average value/r.m.s. value
B. average value/peak value
C. r.m.s. value/average value
D. r.m.s. value/peak value - Poor power factor________?
A. reduces load handling capability of electrical system
B. results in more power losses in the electrical system
C. overloads alternators, transformers and distribution lines
D. results in more voltage drop in the line
E. results in all above - Power factor of the following circuit will be zero__________?
A. resistance
B. inductance
C. capacitance
D. both B. and C. - In a circuit containing R, L and C, power loss can take place in____________?
A. C only
B. L only
C. R only
D. all above - The power is measured in terms of decibles in case of_________?
A. electronic equipment
B. transformers
C. current transformers
D. auto transformers - 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
