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Electrical Engineering Mcqs
Showing 901 – 920 of 3,699 verified multiple choice questions with answers and explanations.
Q901NTS / FPSC / PPSC
A certain regulator has a no-load voltage of 6 V and a full-load output of 5.82 V. What is the load regulation ?
Q902NTS / FPSC / PPSC
A Zener diode that has very narrow depletion layer will breakdown by____________ mechanism?
Q903NTS / FPSC / PPSC
A Zener voltage regulator is used for ____________ load currents?
Q904NTS / FPSC / PPSC
A Zener voltage regulator will cease to act as a voltage regulator if Zener current becomes______________?
Q905NTS / FPSC / PPSC
Another name for Zener diode is ______________diode?
Q906NTS / FPSC / PPSC
For increasing the voltage rating, zeners are connected in_____________?
Q907NTS / FPSC / PPSC
In a Zener voltage regulator, the changes in load current produce changes in _________________?
Q908NTS / FPSC / PPSC
If the doping level is increased, the breakdown voltage of the Zener_______________?
Q909NTS / FPSC / PPSC
Zener diode are generally made of _____________?
Q910NTS / FPSC / PPSC
As the junction temperature increases, the voltage breakdown point for avalanche mechanism______________?
Q911NTS / FPSC / PPSC
A Zener diode is used as a _____________voltage regulating device?
Q912NTS / FPSC / PPSC
In a 15 V Zener diode , the breakdown mechanism will occur by ______________?
Q913NTS / FPSC / PPSC
As the junction temperature increases, the voltage breakdown point for Zener mechanism _______________?
Q914NTS / FPSC / PPSC
A Zener diode utilises_____________characteristic for voltage regulation?
Q915NTS / FPSC / PPSC
In an unregulated power supply, if load current increases, the output voltage _____________?
Q916NTS / FPSC / PPSC
Commercial power supplies have voltage regulation ______________?
Q917NTS / FPSC / PPSC
In an unregulated power supply, if input a.c. voltage increases, the output voltage _______________?
Q918NTS / FPSC / PPSC