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Fig.shows that transfer characteristics ...

Fig.shows that transfer characteristics of a base biased CE transistor. Which of the following statements are true?

A

At `V_(i)=0.4V,` transistor is in active state.

B

At `V_(i)=1V,` it can be used as an amplifier.

C

At `V_(i)=0.5V,` it can be used as a switch turned off.

D

At `V_(i)=2.5V,` it can be used as a switch turned on.

Text Solution

Verified by Experts

The correct Answer is:
B, C, D
At `V_(i)=1V,` (which is between 0.6 and 2 V), transistor is in active region, it can be used as an amplifier. At `V_(i)=0.5V,` it can be used as switch turned off because of cut off region.
At `V_(i)=2.5V,` the collector current becomes maximum and transistor is in saturation state and can be used as switch as turned on.
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