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The correct relation between alpha (rati...

The correct relation between `alpha` (ratio of collector current to emitter current) and `beta` (ratio of collector current to base current) of a transistor is :

A

`alpha=(beta)/(1+beta)`

B

`alpha=(beta)/(1-alpha)`

C

`beta=(1)/(1-alpha)`

D

`beta=(alpha)/(1+alpha)`

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