Transformer: step-up, step-down, losses and efficiency
Change primary and secondary turns, load and frequency. Verify V₂/V₁ = N₂/N₁ and I₁/I₂ = N₂/N₁, then switch on copper and core losses to see efficiency fall and the secondary voltage sag under load.
About this experiment
| Subject | Physics |
|---|---|
| Class | 12 |
| Chapter | 7. Alternating Current |
| NCERT section | 7.9 |
| 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: transformer · mutual induction · turns ratio · efficiency · power transmission