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Question


In common base mode of transistor, the collector  current is 5.488 mA for an emitter current of 5.60 mA. The value of the base current amplification factor (β) will be


Options:
A .   48
B .   49
C .   50 
D .   51
E .   35 mA
Answer: Option B
:
B

Ib=IeIc = 5.60 - 5.488 = 0.112 mA
β=IeIb=5.4880.112 = 49.



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