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Transistors – 2 – 4

66. In a transistor, the base current is about …….. of emitter current.

(a) 25%
(b) 20%
(c) 35%
(d) 5%

Answer
Answer : (d)

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

67. At the base-emitter junction of a transistor, one finds ……..

(a) reverse bias
(b) a wide depletion layer
(c) low resistance
(d) none of the above

Answer
Answer : (c)

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

68. The input impedance of a transistor is ……

(a) high
(b) low
(c) very high
(d) almost zero

Answer
Answer : (b)

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

69. Most of the majority carriers from the emitter ………

(a) recombine in the base
(b) recombine in the emitter
(c) pass through the base region to the collector
(d) none of the above

Answer
Answer : (c)

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

70. The current IB is ……..

(a) electron current
(b) hole current
(c) donor ion current
(d) acceptor ion current

Answer
Answer : (a)

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

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