Subject Repository
Electrical Engineering Mcqs
Showing 3661 – 3680 of 3,699 verified multiple choice questions with answers and explanations.
Q3661NTS / FPSC / PPSC
A single phase full bridge inverter can operate in load commutation mode in case load consists of____________?
Q3662NTS / FPSC / PPSC
The function of snubber circuit connected across the SCR is to___________?
Q3663NTS / FPSC / PPSC
For an SCR gate – cathode characteristic is a straight line of 130. For triggered source volume of 15 V and allowable gate power dissipation of 0.5 W compute the gate source resistance_____?
Q3664NTS / FPSC / PPSC
In forward blocking mode of a thyristor________?
Q3665NTS / FPSC / PPSC
In reverse blocking mode of a thyristor______?
Q3666NTS / FPSC / PPSC
If holding current of a thyristor is 2 mA then latching current should be_____?
Q3667NTS / FPSC / PPSC
Which statement is true for latching current ___________?
Q3668NTS / FPSC / PPSC
A step up chopper has input voltage 110 V and output voltage 150 V. The value of duty cycle is_____?
Q3670NTS / FPSC / PPSC
A single phase full bridge inverter can operated in load commutation mode in case load consist of______?
Q3671NTS / FPSC / PPSC
An SCR is considered to be a semi controlled device because_______?
Q3672NTS / FPSC / PPSC
The typical value of SCR for modern alternator is____________?
Q3673NTS / FPSC / PPSC
An SCR has half cycle surge current rating of 3000 A for 50 Hz supply. One cycle surge current will be_____?
Q3676NTS / FPSC / PPSC
A PNPN device having two gates is ___________?
Q3677NTS / FPSC / PPSC
A silicon controlled racitifier (SCR) is a ____________?
Q3678NTS / FPSC / PPSC