6. An ideal regulated power supply is one which has voltage regulation of ………..
(a) 0 %
(b) 5 %
(c) 10 %
(d) 1 %
7. A zener diode utilises ……….. characteristic for voltage regulation.
(a) forward
(b) reverse
(c) both forward and reverse
(d) none of the above
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
9. A zener diode is used as a ………… voltage regulating device.
(a) shunt
(b) series
(c) series-shunt
(d) none of the above
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
Related Posts
Regulated Power Supplies » Exercise - 115. A zener voltage regulator will cease to act as a voltage regulator if zener current becomes ............ (a) less than load current (b) zero (c) more than load current (d) none of the above- Regulated Power Supplies » Exercise - 113. In a zener voltage regulator, the changes in load current produce changes in .......... (a) zener current (b) zener voltage (c) zener voltage as well as zener current (d) none of the above
- Regulated Power Supplies » Exercise - 121. What is true about the breakdown voltage in a zener diode ? (a) It decreases when load current increases. (b) It destroys the diode. (c) It equals current times the resistance. (d) It is approximately constant.
- Regulated Power Supplies » Exercise - 114. A zener voltage regulator is used for ............ load currents. (a) high (b) very high (c) moderate (d) small
- 5555555555104. Which component(s) set(s) the voltage across the load in a basic transistor shunt regulator? (a) Zener diode (b) Transistor base-emitter voltage (c) Both the Zener diode and the transistor base-emitter voltage (d) None of the above