Semiconductor Electronics Materials Devices and Simple Circuits - Result Question 66

68. Transfer characteristics [output voltage $(V_0)$ vs input voltage $(V_1)$ ] for a base biased transistor in $CE$ configuration is as shown in the figure. For using transistor as a switch, it is used: [2012]

(a) in region III

(b) both in region (I) and (III)

(c) in region II

(d) in region (I)

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Answer:

Correct Answer: 68. (b)

Solution:

  1. (b) $I \to ON$

$ III \to OFF $

In II ${ }^{\text{nd }}$ state it is used as a amplifier it is active region.



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