In an n-p-n transistor, the collector current is 28 mA. If 80% of electrons reach the collector, its base current in mA is (a) 35 (b) 24 (c) 14 (d) 7

Answer: (d). IE = (IC)/(0.8) = 28/0.8 = 35 mA. IB = IE - IC = 35 - 28 = 7 mA. So the answer is (d) 7.

In an n-p-n transistor, the collector current is 28 mA. If 80% of… | MHT CET 2023 (14 May, Shift 2)

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In an n-p-n transistor, the collector current is $28\text{ mA}$ . If $80\%$ of electrons reach the collector, its base current in $\text{mA}$ is

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Answer: (d)

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