In a small-signal model, what does the transconductance (gm) of a BJT represent?

Practice Questions

Q1
In a small-signal model, what does the transconductance (gm) of a BJT represent?
  1. The input resistance
  2. The output resistance
  3. The change in output current per change in input voltage
  4. The change in input current per change in output voltage

Questions & Step-by-Step Solutions

In a small-signal model, what does the transconductance (gm) of a BJT represent?
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