A zener diode has ______________ breakdown voltage?

A zener diode utilizes ______________ characteristics for its operation?

A. forward

B. 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 V

B. 400 V

C. 400 x √2 V

D. none of the above

There is a need of transformer for__________________?

A. half-wave rectifier

B. 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 rating

C. output is difficult to filter

D. none of the above

A series resistance is connected in the zener circuit to_______________?

A. properly reverse bias the zener

B. protect the zener

C. properly forward bias the zener

D. none of the above