AC generator
Rotate a coil in a magnetic field: ε = NBAω sin ωt. Change turns, area, field and speed; read peak and rms emf, frequency, and see slip rings and the sinusoidal output.
About this experiment
| Subject | Physics |
|---|---|
| Class | 12 |
| Chapter | 6. Electromagnetic Induction |
| NCERT section | 6.10 |
| 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: AC generator · alternator · sinusoidal emf · rotating coil · flux
More from this chapter
- Eddy currents and magnetic braking
- Faraday's experiments and Lenz's law
- Lenz's law: a magnet falling through a coil
- LR circuit: current growth, decay and back emf
- Motional emf on a rod in magnetic field
- RC circuit: charging, discharging and time constant
- EMF of a rotating rod and a Faraday disc
- Self and mutual inductance, L-R growth