Helmholtz coils: a uniform magnetic field
Place two coils a distance d apart and see why d = R makes the field uniform around the centre: B = 0.716 mu0 N I /R.
About this experiment
| Subject | Physics |
|---|---|
| Class | 12 |
| Chapter | 4. Moving Charges and Magnetism |
| NCERT section | 4.6 |
| 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: Helmholtz · uniform field · Biot-Savart · coil pair
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