Moving coil galvanometer, ammeter and voltmeter conversion
A coil in a radial magnetic field turns until the spring torque balances: NIAB = kφ. Convert it to an ammeter with a shunt and a voltmeter with a series resistance; study sensitivity.
About this experiment
| Subject | Physics |
|---|---|
| Class | 12 |
| Chapter | 4. Moving Charges and Magnetism |
| NCERT section | 4.10 |
| 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: galvanometer · ammeter · voltmeter · shunt · current sensitivity · torque on 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