1.

If alpha - current gain of a transistor is 0.98 What is the value of beta - current gain of the transistor ?

Answer»

0.49
49
4.9
5

Solution :By CONSTANTS (or parameters) of a transisitor where `alpha and beta` are the AC current GAINS of a TRASISTOR in the COMMON - base configuration and in the common - emitter configuration respectively.
`beta=alpha/(1-alpha)=(0.98)/(1-0.98) `
where, `alpha = 0.98 , beta = ? `
`=(0.98)/(0.02)=98/2=49`


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