SATHEE: Semiconductor Electronics Materials Devices and Simple Circuits

Semiconductor Electronics Materials Devices and Simple Circuits - Result Question 80

82. When an $n - p - n$ transistor is used as an amplifier then

[1996]

(a) the electrons flow from emitter to collector

(b) the holes flow from emitter to collector

(d) the electrons flow from battery to emitter

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Answer:

Correct Answer: 82. (a)

Solution:

(a) In an $n - p - n$ transistor, the charge carriers, are free electrons in the transistor as well as in external circuit; these electrons flow from emitter to collector.

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Semiconductor Electronics Materials Devices and Simple Circuits - Result Question 80

82. When an n−p−n transistor is used as an amplifier then

Answer:

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82. When an $n - p - n$ transistor is used as an amplifier then