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JEE PHYSICS MCQ: SEMI CONDUCTOR DEVICES

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The correct relation between α\alpha (ratio of collector current to emitter current) and β\beta (ratio of collector current to base current) of a transistor is
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Correct option: D
α=β1+β\alpha = \frac{\beta }{{1 + \beta }}
Option D is correct. The correct relationship between alpha and beta in a transistor is given by the formula α=β1+β\alpha = \frac{{\beta}}{{1 + \beta}}.

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