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If $α a n d β$ are the current gain in the CB and CE configurations respectively of the transistor circuit, then $β - α$ is equal to

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α21−α

α21+α

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Correct option is A

β=α1−α αβ=α21−αβ−α=α1−α−α=α21−α∴β−ααβ=(α21−α)×(1−αα2) =1

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If α and β are the current gain in the CB and CE configurations respectively of the transistor circuit, then β-α is equal to

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If $α a n d β$ are the current gain in the CB and CE configurations respectively of the transistor circuit, then $β - α$ is equal to