JEE Previous Year Question
For a common emitter configuration, if and have their usual meanings, the incorrect relationship between and is.
Topic: JEE PYQ
Answer: A, C. Full step-by-step solution below.
- A
- B
- C
- D
Correct answer: A, C
Solution
(a, c)As, we know, In case of a common-emitter configuration, DC current gain,
Where, is collector current and is emitter current
and AC current gain, .
where, is base current.
Also,
Dividing whole equation by , we get
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