Question
Physics Question on Transistors
For a transistor to act as a switch, it must be operated in
A
Active region
B
Saturation state only
C
Cut-off state only
D
Saturation and cut-off state
Answer
Saturation and cut-off state
Explanation
Solution
The correct option is (D): A transistor acts as a switch when it is operated in saturation and cut-off state.