A) ? 5.2
B) ? 15.7
C) ? 24.8
D) ? 48.78
Correct Answer: D
Solution :
In common emitter configuration current gain \[{{A}_{i}}=\frac{-{{h}_{fe}}}{1+{{h}_{oe}}{{R}_{L}}}=\frac{-50}{1+25\times {{10}^{-6}}\times {{10}^{3}}}\]= ? 48.78.
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