Electric field on the axis of a ring and a disc
Compare the axial field of a charged ring and disc; the ring peaks at R/sqrt2 and the disc tends to sigma/2 eps0.
About this experiment
| Subject | Physics |
|---|---|
| Class | 12 |
| Chapter | 1. Electric Charges and Fields |
| NCERT section | 1.14 |
| Level | Advanced (JEE / Olympiad) |
| 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: ring · disc · axial field · Coulomb · superposition