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Transistors – 3 – 1

101. The collector-base junction in a transistor has ……..

(a) forward bias at all times
(b) reverse bias at all times
(c) low resistance
(d) none of the above

ANSWER

EXPLANATION

102. When a transistor is driven to saturation, ideally the output is …………..

(a) VCC
(b) 0
(c) VCC/2
(d) 2VCC

ANSWER

EXPLANATION

103. When a transistor is driven to cut off, ideally the output is …………..

(a) VCC
(b) 0
(c) VCC/2
(d) VCC/3

ANSWER

EXPLANATION

104. When transistor is used as an amplifier, it is operated in the ………….. region.

(a) off
(b) saturation
(c) active
(d) none of the above

ANSWER

EXPLANATION

105. When the transistor (CE arrangement) is in the cut off region, the collector current is …………..

(a) ICBO
(b) ICEO
(c) (β + 1) ICEO
(d) IC (sat)

ANSWER

EXPLANATION

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