cse • paper_2 • solid_state_electronics
[UPSC CSE 2017] Semiconductors/Solar cell (Q198, 15M)
{q-8-079-fig-1} An amplifier in common-emitter configuration is shown in the above figure. If the current gain \beta=100 and the a.c. emitter resistance =25.0\,\Omega, determine the input impedance and the voltage gain of the amplifier:
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