For a transistor the current amplification factor is 0.8 in common base mode. The transistor is connected in common emitter configuration. The change in collector current when the base current changes by 6mA is
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a
4.8 mA
b
6 mA
c
18 mA
d
24 mA
answer is D.
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Detailed Solution
β=α/1-α=0.8/1-0.8=4 and β=∆IC/∆IB⇒4=∆IC/6⇒∆IC=24mA
For a transistor the current amplification factor is 0.8 in common base mode. The transistor is connected in common emitter configuration. The change in collector current when the base current changes by 6mA is