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Electronics — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsElectronics1 Mark
MCQ
The current in a triode at anode potential $100 V$ and grid potential $– 1.2 V$ is $7.5 mA$. If grid potential is changed to $– 2.2 V,$ the current becomes $5.5 mA.$ the value of trans conductance $(g_m)$ will be
  • ✓
    $2$ mili mho
  • B
    $3$ mili mho
  • C
    $4$ mili mho
  • D
    $0.2$ mili mho
✓

Answer

Correct option: A.
$2$ mili mho
$2$ mili mho

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