Tangent galvanometer: I = K tan(theta)
A circular coil in the magnetic meridian deflects a compass needle; tan(theta) = B_coil/B_H gives the reduction factor and current.
About this experiment
| Subject | Physics |
|---|---|
| Class | 12 |
| Chapter | 4. Moving Charges and Magnetism |
| NCERT section | 4.6 |
| Level | NEET level |
| 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: tangent galvanometer · reduction factor · Earth field · coil
More from this chapter
- Force between parallel current-carrying wires
- Biot–Savart law: field of a straight wire, circular loop and solenoid
- Charged particle in uniform E and B fields
- Torque on a current loop and magnetic moment
- Cyclotron
- Galvanometer to ammeter and voltmeter
- Hall effect: carrier sign, density and mobility
- Helmholtz coils: a uniform magnetic field