A single-phase motor takes 50 A at a power factor angle of 30° laggin – McqOptions

MCQOPTIONS

1.	A single-phase motor takes 50 A at a power factor angle of 30° lagging from a 250-V, 50-Hz AC supply. What value of capacitance must a shunting capacitor have to raise the power factor to unity?
A.	212.3 μF
B.	838.6 μF
C.	636.6 μF
D.	318.3 μF
Answer» E.

Discussion

No Comment Found

Related MCQs

If variable part of annual cost on account of interest and depreciation on the capital outlay is equal to the annual cost of electrical energy wasted in the conductors, the total annual cost will be minimum and the corresponding size of conductor will be most economical. This statement is known as
The wooden poles well impregnated with creosite oil or any preservative compound have life
Which of the following materials is not used for transmission and distribution of electrical power ?
The phenomenon qf rise in voltage at the receiving end of the open-circuited or lightly loaded line is called the
For transmission of power over a distance of 200 km, the transmission voltage should be
For transmission of power over a distance of 500 km, the transmission voltage should be in the range
For aluminium, as compared to copper, all the following factors have higher values except
Series capacitors on transmission lines are of little use when the load VAR requirement is
As compared to a 2-wire D.C. distributor, a 3-wire distributor with same maximum voltage to earth uses only
Which of the following equipment, for regulating the voltage in distribution feeder, will be most economical ?