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Question

For a transistor to work as an amplifier:

A
its emitter junction is in reverse bias and collector junction is in forward bias
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B
the transistor must have breakdown region
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C
its emitter junction is in forward bias and collector junction is in reverse bias
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D
its emitter and collector junction are in forward bias
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Solution

The correct option is A its emitter junction is in forward bias and collector junction is in reverse bias
Collector junction must be reversed biased and emitter junction must be forward biased to allow high collector current to flow which would result in gain.
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