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# Transistors – 2 – 6

76. In a transistor if β= 100 and collector current is 10 mA, then IE is ……..

(a) 100 mA
(b) 100.1 mA
(c) 110 mA
(d) none of the above

Explanation
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77. The relation between β and Ω is …………

(a) β=1/(1-α)
(b) β=(1-α)/α
(c) β=α/(1-α)
(d) β=α/(1+α)

Explanation
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78. The value of β for a transistor is generally ……..

(a) 1
(b) less than 1
(c) between 20 and 500
(d) above 500

Explanation
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79. The most commonly used transistor arrangement is …….. arrangement.

(a) common emitter
(b) common base
(c) common collector
(d) none of the above

Explanation
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80. The input impedance of a transistor connected in ………. arrangement is the highest.

(a) common emitter
(b) common collector
(c) common base
(d) none of the above