EMF of a rotating rod and a Faraday disc
A rod spinning in a magnetic field gives emf = 1/2 B omega l^2; the Faraday disc is a DC generator.
About this experiment
| Subject | Physics |
|---|---|
| Class | 12 |
| Chapter | 6. Electromagnetic Induction |
| NCERT section | 6.5 |
| Level | Advanced (JEE / Olympiad) |
| 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: motional emf · rotating rod · Faraday disc · JEE