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प्रश्न
Which formula gives the forward dynamic (AC) resistance?
पर्याय
\[r_{fb}=\frac{\Delta I}{\Delta V}\]
\[r_{fb}=\frac{\Delta V}{\Delta I}\]
\[r_{fb}=\Delta V\Delta I\]
\[r_{fb}=\frac{V}{I}\]
MCQ
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उत्तर
Forward dynamic (AC) resistance uses the change in voltage divided by the change in current. Thus, \[r_{fb}=\frac{\Delta V}{\Delta I}\], using two forward-bias values.
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