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  4. The value of current gain α of a transistor is 0.98. The value of β will be

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Q. The value of current gain $\alpha$ of a transistor is $0.98$. The value of $\beta$ will be

NEETNEET 2022

Solution:

$\beta=\frac{\alpha}{1-\alpha}$
Given, $\alpha=0.98$, hence we have
$\beta=\frac{0.98}{1-0.98}=49$