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JEE PHYSICS MCQ: SEMI CONDUCTOR DEVICES

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Application +4 | -1
In a transistor circuit, the collector current is 50  mA\,{mA} and the base current is 1  mA1\, {~mA}. The current gain α\alpha is
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Correct option: C
5051\frac{50}{51}
Option C (5051\frac{50}{51}) is correct because the current gain α\alpha is defined as IC/IEI_C/I_E and IE=IC+IBI_E = I_C + I_B.

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