A Zener diode______________?

Related Mcqs:

1. A 5 mA changes in Zener current produces a 50 mA change in Zener voltage. What is the Zener impedance ?

   A. 1 O B. 1 O C. 100 O D. 10 O...

2. 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...

3. A 30 V Zener will have depletion layer width_______________ that of 10 V Zener?

   A. More than B. Less than C. Equal to D. None of the above...

4. If the load resistance decreases in a Zener regulator, then Zener current ______________?

   A. Decreases B. Stays the same C. Increases D. None of the above...

5. In a loaded Zener regulator, which is the largest Zener current ?

   A. Series current B. Zener current C. Load current D. None of the above...

6. Zener diode can be used as__________________?

   A. c. voltage regulator only B. c. voltage regulator only C. both D.C and A.C voltage regulator D. none of the above...

7. In a 15 V Zener diode , the breakdown mechanism will occur by ______________?

   A. Avalanche mechanism B. Zener mechanism C. Both Zener and avalanche mechanism D. None of the above...

8. 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...

9. Which of these is the best description for a Zener diode ?

   A. It is a diode B. It is a constant current device C. It is a constant-voltage device D. It works in the forward region...

10. The Zener current will be minimum when_____________?

    A. Load current is maximum B. Load current is minimum C. Load current is zero D. None of the above...