Q.
In a transistor the current amplification factor α is 0.9. The transistor is connected in common emitter configuration, the change in collector current when base current changes by 4 mA is
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answer is 4.
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Detailed Solution
for a transistor current gain β=∆Ic∆Ib and β=α1-α=0.91-0.9=9∆Ic=β∆Ib=9×4 mA=36 mA
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