Transistors – 1 – 9

41. The parasitic resistance value can be reduced by :

(a) Operating the transistor in saturation region
(b) Operating the transistor in cut-off region
(c) Changing the transistor structure
(d) Grounding the emitter terminal of the transistor

ANSWER
Answer : (c)

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

42. Which of the following is not a merit of transistors in place of vacuum tubes ?

(a) Transistors are compact
(b) Consume less power
(c) Faster and economical
(d) None of these

ANSWER
Answer : (d)

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

43. The most commonly used configuration of an n-p-n transistor as a switch is :

(a) Common collector
(b) Common emitter
(c) Common base
(d) Both common base and common collector

ANSWER
Answer : (c)

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

44. N-P-N transistors are preferred ones than P-N-P transistors for digital application because :

(a) Electron mobility is more compared to holes mobility
(b) They are cheaper
(c) They are costlier
(d) Easy availability in the market

ANSWER
Answer : (a)

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

45. A Schottky transistor used as a switch operates between :

(a) Cut-off and saturation regions
(b) Cut-off and active regions
(c) Active and saturation regions
(d) None of these

ANSWER
Answer : (b)

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

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