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Which of the following relations are correct?

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Which of the following relations are correct?

(a) IE + IB = IC

(b) IC + IB = IE

(c) IE + IC = IB

(d) IB + IE = IB

I have been asked this question during an interview.

Question is from BJT Construction and Operation in chapter BJT Biasing of Analog Circuits

1 Answer

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Best answer
Right answer is (b) IC + IB = IE

The best I can explain: On applying KCL to the BJT, we get IC + IB = IE.

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