Modern Physics 6 Question 7
7. An transistor is used in common emitter configuration as an amplifier with load resistance. Signal voltage of is applied across the base-emitter. This produces a 3 change in the collector current and change in the base current of the amplifier. The input resistance and voltage gain are
(a)
(b)
(c)
(d)
(Main 2019, 9 April I)
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Solution:
- Given, load resistance,
Input voltage,
Base current,
Collector current,
Input resistance,
and voltage gain