Objective Questions on Zener Diode

  1. Which of following is not an essential element of a dc power supply?

    Under construction.

  2. What is true about the breakdown voltage in a zener diode?

    Under construction.

  3. Which of these is the best description of a zener diode?

    Under construction.

  4. A zener diode

    Under construction.

  5. The voltage across the zener resistance is usually

    Under construction.

  6. If the series resistance increases in an unloaded zener regulator, the zener current

    Under construction.

  7. In the second approximation, the total voltage across the zener diode is the sum of the breakdown voltage and the voltage across the

    Under construction.

  8. The load voltage is approximately constant when a zener diode is

    Under construction.

  9. In a loaded zener regulator, which is the largest current?

    Under construction.

  10. If the load resistance increases in a zener regulator, the zener current

    Under construction.

  11. When the source voltage increases in a zener regulator, which of these electric current remain approximately constant ?

    Under construction.

  12. If the zener diode in a zener regulator is connected with the wrong polarity, the load voltage will be closest to

    Under construction.

  13. A voltage regulator is a circuit which

    Under construction.

  14. The percentage voltage regulation of voltage supply providing 100 V unloaded and 95 V at full load is

    Under construction.

  15. Which of the following voltage regulator is preferred for providing large values of load current?

    Under construction.

  16. The main job of a voltage regulator is to provide a nearly __________________ output voltage.

    Under construction.

  17. A 10 V dc regulator power supply has a regulation of 0.005 %. The output voltage will vary within an envelope of __________________ milivolt.

    Under construction.

  18. An ideal voltage regulator has a voltage regulation of

    Under construction.

  19. In a zener diode shunt voltage regulator, the diode regulates so long as it is kept in ______________________ condition.

    Under construction.

  20. A transistor series voltage regulator is called emitter follower regulator because the emitter of the pass transistor follows the ________________________ voltage.

    Under construction.