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Regulated Power Supplies – 1 – 2

6. An ideal regulated power supply is one which has voltage regulation of ………..

(a) 0 %
(b) 5 %
(c) 10 %
(d) 
1 %

ANSWER

EXPLANATION

7. A zener diode utilises ……….. characteristic for voltage regulation.

(a) forward
(b) reverse
(c) both forward and reverse
(d) 
none of the above

ANSWER

EXPLANATION

8. Zener diode can be used as ………….

(a) d.c. voltage regulator only
(b) a.c. voltage regulator only
(c) both d.c. and a.c. voltage regulator
(d) 
none of the above

ANSWER

EXPLANATION

9. A zener diode is used as a ………… voltage regulating device.

(a) shunt
(b) series
(c) series-shunt
(d) 
none of the above

ANSWER

EXPLANATION

10. As the junction temperature increases, the voltage breakdown point for zener mechanism …………

(a) is increased
(b) is decreased
(c) remains the same
(d) 
none of the above

ANSWER

EXPLANATION

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