Wheatstone bridge: balance condition and galvanometer current
Vary one arm until the galvanometer current is zero; P/Q = R/S gives the unknown resistance.
About this experiment
| Subject | Physics |
|---|---|
| Class | 12 |
| Chapter | 3. Current Electricity |
| NCERT section | 3.10 |
| Level | NEET 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: Wheatstone bridge · balance · Kirchhoff · unknown resistance
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