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In a transistor circuit, when the base current is increased by \mathrm{50 \; \mu A}, keeping collector voltage fixed at 2 volt, the collector current increase by 1.0 mA. The current amplification factor of the transistor will be:

Option: 1

10


Option: 2

20


Option: 3

30


Option: 4

40


Answers (1)

best_answer

\mathrm{\beta=\frac{\Delta \mathrm{l}_{\mathrm{c}}}{\Delta \mathrm{I}_{\mathrm{b}}}=\frac{1 \times 10^{-3}}{50 \times 10^{-6}}=20}

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vinayak

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