p–n junction: depletion layer and I–V characteristic
See electrons and holes diffuse across a junction, the depletion layer and barrier potential, and how forward and reverse bias change the layer width and the diode current (I–V curve with Zener breakdown).
About this experiment
| Subject | Physics |
|---|---|
| Class | 12 |
| Chapter | 14. Semiconductor Electronics |
| NCERT section | 14.6, 14.7 |
| Level | NEET level |
| Time | about 14 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: p-n junction · depletion layer · forward bias · reverse bias · I-V characteristic · diode
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