Electronics and Communication Engineering - Electronic Devices and Circuits - Discussion
Discussion Forum : Electronic Devices and Circuits - Section 6 (Q.No. 15)
15.
In which condition does BJT behave like a closed switch?
Discussion:
3 comments Page 1 of 1.
Leo Lyfeld said:
2 years ago
Active Region (Amplifier)
CB: Reverse Bias.
BE: Forward Bias.
Saturation Region (Short/Closed Switch)
CB: Forward Bias.
BE: Forward Bias.
Cut-Off Region (Open Switch)
CB: Reverse Bias.
BE: Revers Bias.
Reverse Active (Impractical)
CB: Forward Bias.
BE: Reverse Bias.
CB: Reverse Bias.
BE: Forward Bias.
Saturation Region (Short/Closed Switch)
CB: Forward Bias.
BE: Forward Bias.
Cut-Off Region (Open Switch)
CB: Reverse Bias.
BE: Revers Bias.
Reverse Active (Impractical)
CB: Forward Bias.
BE: Reverse Bias.
Sephirim said:
6 years ago
The transistor acts as an open switch. In the saturation region, both the junctions are in forwarding bias, and the transistor acts as a closed switch.
Raj said:
6 years ago
It will be cut-off.
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