Displacement current in a charging capacitor
While a capacitor charges, current I flows in the wires but not between the plates; Maxwell's displacement current ε₀ dΦ_E/dt equals I and makes Ampère's law consistent: B between the plates is the same as around the wire.
About this experiment
| Subject | Physics |
|---|---|
| Class | 12 |
| Chapter | 8. Electromagnetic Waves |
| NCERT section | 8.2, 8.3 |
| 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: displacement current · Maxwell · Ampere-Maxwell law · charging capacitor · electromagnetic waves