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_________?

Related Mcqs:

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...

A heater is rated as 230 V, 10 kW, A.C. The value 230 V refers to__________?

A. average voltage B. r.m.s. voltage C. peak voltage D. none of the above...

Capacitors for power factor correction are rated in_________?

A. kW B. kVA C. kV D. kVAR...

The power factor at resonance in R-L- C parallel circuit is________?

A. zero B. 0.08 lagging C. 0.8 leading D. unity...

Wire-wound resistors are unsuitable for use at high frequencies because they_______?

A. create more electrical noise B. are likely to melt under excessive eddy current heat C. consume more power D. exhibit unwanted inductive and capacitive effects...