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Calculate the current gain using the data: Ic=25 mA, IB=10 mA.

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Calculate the current gain using the data: Ic=25 mA, IB=10 mA.

(a) 3.5

(b) 2.5

(c) 1.4

(d) 7.8

I had been asked this question during an online interview.

This interesting question is from Solid-State Devices in portion Introduction to Solid-State Devices of Electric Drives

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Right answer is (b) 2.5

Best explanation: The current gain is represented as β in electronic circuits. The current gain is the ratio of the collector current and base current. β=Ic÷IB=25÷10=2.5.

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