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  • A change of   in the emitter current produces a change of <img alt="$5.5 \mathrm{mA}$"

A change of $9 \mathrm{mA}$  in the emitter current produces a change of $5.5 \mathrm{mA}$  in collector current in a transistor. What should be change in base current to produce the same change in collector current?

Option: 1

0.25 mA


Option: 2

2.5 mA


Option: 3

3.5 mA


Option: 4

1.5 mA


Answers (1)

best_answer

As we know-

    \begin{array}{l}{\Delta I_{E}=\Delta I_{C}+\Delta I_{N}} \\ {9 \mathrm{mA}=5.5+\Delta I_{B}} \\ {\Delta I_{B}=3.5 \mathrm{m} A}\end{array}

Hence (3) is the correct answer.

Posted by

himanshu.meshram

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