Home Physics Semiconductor Electronics Junction Transistor In a common emitter n-p-n transistor circuit…
Physics Semiconductor Electronics Junction Transistor MCQ (Single Correct)

In a common emitter n-p-n transistor circuit, it is found that ninety percent of emitted electrons reach the collector. If the collector current is 18 mA then

A
Base current is 2 mA &
B
Emitter current is 20 mA
C
Emitter current is 22 mA
D
Both

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Text Solution

Verified by Experts
The correct answer is:
D

Given: of emitted electrons reach the collector.

Calculate emitter current

Calculate base current

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