Transistors – Exercise – 2

56. When used as switch, a Schottky transistor switches between :

(a) Cut-off and active regions
(b) Cut-off and saturation regions
(c) Active and saturation regions
(d) Different operation points in the active region

Answer
Answer : (a)
Explanation
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57. A transistor has ……..

(a) one pn junction
(b) two pn junctions
(c) three pn junctions
(d) four pn junctions

Answer
Answer : (b)
Explanation
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58. The number of depletion layers in a transistor is ……..

(a) four
(b) three
(c) one
(d) two

Answer
Answer : (c)
Explanation
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59. The base of a transistor is ……. doped.

(a) heavily
(b) moderately
(c) lightly
(d) none of the above

Answer
Answer : (c)
Explanation
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60. The element that has the biggest size in a transistor is ……..

(a) collector
(b) base
(c) emitter
(d) collector-base junction

Answer
Answer : (a)
Explanation
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