Search
.Management Sciences
Category: Regulated D.C. Power Supply
If the load resistance decreases in a Zener regulator, then Zener current ______________?
0
A. Decreases
B. Stays the same
C. Increases
D. None of the above
For increasing the voltage rating, zeners are connected in_____________?
A. Parallel
B. Series-parallel
C. Series
D. None of the above
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
A Zener diode______________?
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
A Zener diode that has very narrow depletion layer will breakdown by____________ mechanism?
A. Avalanche
B. Zener
C. Both avalanche and Zener
D. None of the above
The load voltage is approximately constant when a Zener diode is ________________?
A. Forward biased
B. Unbiased
C. Reverse biased
D. Operating in the breakdown region
An ideal regulated power supply is one which has voltage regulation of________________?
A. 0%
B. 5%
C. 10%
D. 1%
Zener diode are generally made of _____________?
A. Germanium
B. Silicon
C. Carbon
D. None of the above
The current in a Zener diode is limited by _______________?
A. External resistance
B. Power dissipation
C. Both (A) and (B)
D. None of the above
Recent Comments