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  4. If α and β are the collector emitter short circuit current amplification factor and collector base short circuit current amplification factor respectively of a transistor, then α is equal to

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Q. If $ \alpha$ and $ \beta $ are the collector emitter short circuit current amplification factor and collector base short circuit current amplification factor respectively of a transistor, then $ \alpha $ is equal to

UPSEEUPSEE 2009

Solution:

Relation between $\alpha$ and $\beta$ is given by,
$\beta=\frac{\alpha}{1-\alpha} $ or $\alpha=\frac{\beta}{1+\beta}$