1.

The relation between a and b parameters of current gains for a transistors is given by                   [Pb. PET 2000]

A.            \[\alpha =\frac{\beta }{1-\beta }\]                                 
B.            \[\alpha =\frac{\beta }{1+\beta }\]
C.            \[\alpha =\frac{1-\beta }{\beta }\]                                 
D.            \[\alpha =\frac{1+\beta }{\beta }\]
Answer» C.            \[\alpha =\frac{1-\beta }{\beta }\]                                 


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