Electric dipole in uniform field: torque
A dipole p = 2qa in a uniform field E feels torque τ = pE sinθ and has energy U = −pE cosθ; released from an angle it oscillates about E with T = 2π√(I/pE). See stable and unstable equilibrium.
About this experiment
| Subject | Physics |
|---|---|
| Class | 12 |
| Chapter | 1. Electric Charges and Fields |
| NCERT section | 1.10, 1.11 |
| 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: electric dipole · torque · potential energy of dipole · oscillation · uniform field