In a transistor, the base current is about_________of emitter current?
Correct answer: D. 5%
- A. 25%
- B. 20%
- C. 35 %
- D. 5%
Explanation
Since IE = IC + IB and β is commonly around 20 or more, the base current is only a small fraction of emitter current, typically about 5% in this approximation. The larger percentages would imply an unusually low transistor current gain.
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