Subject Repository
Electrical Engineering Mcqs
Showing 3521 – 3540 of 3,699 verified multiple choice questions with answers and explanations.
Q3522NTS / FPSC / PPSC
For a buck converter to reduce the conduction losses in diode
Q3523NTS / FPSC / PPSC
For bidirectional operation of converters____________?
Q3525NTS / FPSC / PPSC
Due to non sinusoidal waveform of the input current, the power factor of the rectifier is____________?
Q3526NTS / FPSC / PPSC
Single phase VSI are mainly used in___________?
Q3527NTS / FPSC / PPSC
The man made noise sources is / are_____________?
Q3528NTS / FPSC / PPSC
Very large values of modulation index (greater than 3.24) lead to___________?
Q3529NTS / FPSC / PPSC
Any electrical signal present in a circuit other than the desired signal is known as______________?
Q3530NTS / FPSC / PPSC
In single phase VSI, the harmonic which is not present is____________?
Q3532NTS / FPSC / PPSC
Double fourier series analysis of PWM is_____________?
Q3533NTS / FPSC / PPSC
In the operation and control of both naturally commutated and forced commutated SCR base converter, commutation plays an important role. The converters is / are ___________?
Q3534NTS / FPSC / PPSC
In bipolar modulation, the carrier is symmetric about zero with amplitude equal to Cm, the PWM output
Q3535NTS / FPSC / PPSC
In a 3 phase VSI out of eight valid states, the number of valid states that produce zero ac line voltages is/are_________?
Q3536NTS / FPSC / PPSC
The square wave operation of 3 phase VSI lines contains the harmonics. The amplitudes are____________?
Q3537NTS / FPSC / PPSC
In a three phase voltage source inverters____________?
Q3538NTS / FPSC / PPSC
Under harmonic free load voltages, the 3 phase VSI_____________?
Q3539NTS / FPSC / PPSC