Transistor characteristics and CE amplifier
An n-p-n transistor in common-emitter mode: input and output characteristics, α and β, load line and Q-point, and a small AC signal amplified with voltage gain A_v = −βR_C/r_i and 180° phase shift.
About this experiment
| Subject | Physics |
|---|---|
| Class | 12 |
| Chapter | 14. Semiconductor Electronics |
| NCERT section | 14.9–14.11 |
| Level | NCERT level |
| Time | about 12 minutes |
| Access | Included in a PractiSci plan |
What you do in the lab
Change the controls and watch the physics behave in real time in 3D. Live readouts and graphs show the numbers behind it, and the Learn tab has the theory, procedure, observations and viva questions. Works on a phone or a laptop, in English and Hindi.
Topics: transistor · common emitter · amplifier · current gain · load line · Q point
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- Half-wave and full-wave rectifiers with capacitor filter
- Zener diode as a voltage regulator