Subject Repository
Electrical Engineering Mcqs
Showing 2261 – 2280 of 3,699 verified multiple choice questions with answers and explanations.
Q2261NTS / FPSC / PPSC
The voltage of domestic supply is 220V. This figure represents__________?
Q2262NTS / FPSC / PPSC
If two sinusoids of the same frequency but of different amplitudes and phase angles are subtracted, the resultant is____________?
Q2263NTS / FPSC / PPSC
The reactance offered by a capacitor to alternating current of frequency 50 Hz is 20 Q. If frequency is increased to 100 Hz, reactance becomes_______ohms?
Q2266NTS / FPSC / PPSC
A sine wave has a frequency of 50 Hz. Its angular frequency is ________ radian/second.
Q2267NTS / FPSC / PPSC
The double energy transient occur in the____________?
Q2268NTS / FPSC / PPSC
Power factor of the following circuit will be unity
Q2269NTS / FPSC / PPSC
Power factor of an inductive circuit is usually improved by connecting capacitor to it in____________?
Q2270NTS / FPSC / PPSC
All the rules and laws of D.C. circuit also apply to A.C. circuit containing_____________?
Q2271NTS / FPSC / PPSC
The best place to install a capacitor is___________?
Q2272NTS / FPSC / PPSC
Power factor of an electrical circuit is equal to____________?
Q2273NTS / FPSC / PPSC
In a series resonant circuit, the impedance of the circuit is___________?
Q2274NTS / FPSC / PPSC
The phase difference between voltage and current wave through a circuit element is given as 30°. The essential condition is that
Q2275NTS / FPSC / PPSC
For the same peak value which of the following wave will ‘have the highest r.m.s. value?
Q2276NTS / FPSC / PPSC
The power consumed in a circuit element will be least when the phase difference between the current and voltage is__________?
Q2277NTS / FPSC / PPSC
The peak value of a sine wave is 200 V. Its average value is___________?
Q2278NTS / FPSC / PPSC
The period of a sine wave is _____ seconds. Its frequency is
Q2279NTS / FPSC / PPSC