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The reaction between α and β parameter of a transistor is given by -

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Question

The reaction between α and β parameter of a transistor is given by

Options

  • `alpha = (1 - beta)/beta`

  • `alpha = (1 + beta)/beta`

  • `alpha = beta/(1 - beta)`

  • `alpha = beta/(1 + beta)`

MCQ

Solution

`alpha = beta/(1 + beta)`

Explanation:

`alpha = I_c/I_e`

= `I_c/(I_c + I_e)`

= `(I_c/I_b)/((I + I_c)/I_b)`

= `beta/(1 + beta)`

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