Power in AC circuits and power factor
Instantaneous and average power p(t) = vi in an R, L, C or series circuit: P = V_rms I_rms cosφ, wattless current in pure L or C, and power-factor correction with a capacitor.
About this experiment
| Subject | Physics |
|---|---|
| Class | 12 |
| Chapter | 7. Alternating Current |
| NCERT section | 7.7 |
| 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: power factor · average power · wattless current · AC power · reactive power