A zener diode utilizes ______________ characteristics for its operation?
A zener diode utilizes ______________ characteristics for its operation? A. forwardB. reverse C. both forward and reverse D. none of the above
A zener diode utilizes ______________ characteristics for its operation? A. forwardB. reverse C. both forward and reverse D. none of the above
If the a.c. input to a half-wave rectifier is an r.m.s value of 400/√2 volts, then diode PIV rating is__________________? A. 400/√2 VB. 400 V C. 400 x √2 V D. none of the above
There is a need of transformer for__________________? A. half-wave rectifierB. centre-tap full-wave rectifier C. bridge full-wave rectifier D. none of the above
The disadvantage of a half-wave rectifier is that the__________________? A. components are expensive B. diodes must have a higher power ratingC. output is difficult to filter D. none of the above
A zener diode has ______________ breakdown voltage? A. undefinedB. sharp C. zero D. none of the above
A series resistance is connected in the zener circuit to_______________? A. properly reverse bias the zenerB. protect the zener C. properly forward bias the zener D. none of the above
In the breakdown region, a zener didoe behaves like a _______________source? A. constant voltage B. constant current C. constant resistance D. none of the above
A zener diode is________________ device? A. a non-linear B. a linear C. an amplifying D. none of the above
Mains a.c. power is converrted into d.c. power for_________________? A. lighting purposes B. heatersC. using in electronic equipment D. none of the above
The ripple factor of a half-wave rectifier is_________________? A. 2 B. 1.21 C. 2.5D. 0.48