Transistors

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Question

The output characteristics of a transistor is shown in the figure. When $V_{C E}$ is 10V and $I_{C} = 4.0 m A,$ then value of $β_{a c}$ is ____

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Solution

$β_{a c} = \frac{I_{C}}{I_{B}} = \frac{4 m A}{30 μ A} = \frac{4000}{30} = 133.33$

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