Rectifiers – 1 – 4

16. The most widely used rectifier is ………..

(a) half-wave rectifier
(b) centre-tap full-wave rectifier
(c) bridge full-wave rectifier
(d) none of the above

Answer
Answer : (c)

Explanation
No answer description available for this question. Let us discuss.

17. …….. rectifier has the lowest forward resistance.

(a) solid state
(b) vacuum tube
(c) gas tube
(d) none of the above

Answer
Answer : (a)

Explanation
No answer description available for this question. Let us discuss.

18. 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

Answer
Answer : (c)

Explanation
No answer description available for this question. Let us discuss.

19. The ripple factor of a half-wave rectifier is ……..

(a) 2
(b) 1.21
(c) 2.5
(d) 0.48

Answer
Answer : (d)

Explanation
No answer description available for this question. Let us discuss.

20. 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

Answer
Answer : (b)

Explanation
No answer description available for this question. Let us discuss.

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