1.

In the working of an n-p-n transistor, the number of free electrons which recombine with holes in the base layer is about

Answer»

` 97 %` of the number injected into the BASE
` 50 %` of the number injected into the base
` 25 %` of the number injected into the base
`3 %` of the number injected into the base

Answer :B


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