The relation between $\alpha$ and $\beta$ parameters of current gains for a transistors is given by
  • A$\alpha=\frac{\beta}{1-\beta}$
  • B$\alpha=\frac{\beta}{1+\beta}$
  • C$\alpha=\frac{1-\beta}{\beta}$
  • D$\alpha=\frac{1+\beta}{\beta}$
[Pb. PET 2000]
art

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