Practicing Success
Practicing Success
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The value of $α$ for a transistor is 0.9. What would be the change in the collector current corresponding to a change of 4 mA in the base current in a common emitter arrangement ? |
36 mA 72 mA 18 mA None of these |
36 mA |
$ΔI_c=βΔI_b=\frac{αΔI_b}{1-α}=\frac{0.9×4}{0.1}=36mA$ |
