A. Is a battery
B. Acts like a battery in the breakdown region
C. Has a barrier potential of 1 V
D. Is forward biased
Related Mcqs:
- 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 - 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
