Computer Programming MCQs — Test 44
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Question 1
Power factor of the following circuit will be unity
Question 2
The double energy transient occur in the____________?
Question 3
Which of the following is the most likely source of harmonics in a transformer ?
Question 4
A sine wave has a frequency of 50 Hz. Its angular frequency is ________ radian/second.
Question 5
The form factor is the ratio of_______?
Question 6
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?
Question 7
The period of a wave is___________?
Question 8
If two sinusoids of the same frequency but of different amplitudes and phase angles are subtracted, the resultant is____________?
Question 9
The voltage of domestic supply is 220V. This figure represents__________?
Question 10
A heater is rated as 230 V, 10 kW, A.C. The value 230 V refers to__________?