Questions
The value of current gain of a transistor is 0.98. The value of will be
a
4.9
b
490
c
59
d
49
detailed solution
Correct option is D
Current gains are given by α=ΔiCΔiE and β=ΔiCΔiB where ΔiC , ΔiE , ΔiB are change in collector current, emitter current and base current, respectively. The relation between α and β isβ=α1−α Given, β=0.98, hence we haveβ=0.981−0.98=49Talk to our academic expert!
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In a 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 (p) will be
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