Modern Physics 6 Question 5
5. An transistor operates as a common emitter amplifier, with a power gain of . The input circuit resistance is 100 and the output load resistance is . The common emitter current gain is
(Main 2019, 10 April I)
(a)
(b)
(c)
(d) 60
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Solution:
- Given,
(in decibel)
Power gain in decibel can be given as
Also, given
where,