A. forward
B. reverse
C. both forward and reverse
D. none of the above
0
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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__________________?
0
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There is a need of transformer for__________________?
A. 400/√2 V
B. 400 V
C. 400 x √2 V
D. none of the above
0
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The disadvantage of a half-wave rectifier is that the__________________?
A. half-wave rectifier
B. centre-tap full-wave rectifier
C. bridge full-wave rectifier
D. none of the above
0
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A zener diode has ______________ breakdown voltage?
A. components are expensive
B. diodes must have a higher power rating
C. output is difficult to filter
D. none of the above
0
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A series resistance is connected in the zener circuit to_______________?
A. undefined
B. sharp
C. zero
D. none of the above
0
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In the breakdown region, a zener didoe behaves like a _______________source?
A. properly reverse bias the zener
B. protect the zener
C. properly forward bias the zener
D. none of the above
0
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A zener diode is________________ device?
A. constant voltage
B. constant current
C. constant resistance
D. none of the above
0
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Mains a.c. power is converrted into d.c. power for_________________?
A. a non-linear
B. a linear
C. an amplifying
D. none of the above
0
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The ripple factor of a half-wave rectifier is_________________?
A. lighting purposes
B. heaters
C. using in electronic equipment
D. none of the above