AIPMT PRELIMS2012Physics-Electronics
AIPMT PRELIMS 2012 Physics Transistor as a Switch MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Transfer characteristics [output voltage(V₀) vs input voltage (Vᵢ)] for a base biased transistor in CE configuration is as shown in the figure. For using transistor as a switch, it is used
A
in region I
B
in region III
C
both in region (I) and (III)
D
in region II
Correct Answer
Option C
Detailed Explanation
A transistor acts as a switch in the saturation and cutoff regions, which correspond to regions I and III.
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