Tangent Galvanometer Manufacturer,Supplier and Exporter in India
Product Code : ILS-LM-10825
Indian Lab Suppliers supplies the Tangent Galvanometer (Product ID: 10825) as part of its lab meters range. A tangent galvanometer measures a current from the deflection of a compass needle at the centre of a current-carrying coil.
Quick Answer
The coil, about 162.5 mm in diameter, is wound with insulated copper wire on a Bakelite bobbin in three sections of 2, 50 and 500 turns, brought out to four marked terminals. The coil is set in the magnetic meridian; the field it produces at the centre is perpendicular to the Earth's horizontal field, so the needle settles at an angle θ where tan θ = B/BH and the current is proportional to tan θ. The compass box has a 100 mm aluminium dial graduated 0–90° in four quadrants, an anti-parallax mirror and an agate-centred needle with an aluminium pointer. The box is detachable for use as a magnetometer.
Key Specifications
| Parameter | Detail |
|---|---|
| Coil diameter | About 162.5 mm, Bakelite bobbin |
| Windings | 2, 50 and 500 turns, 4 terminals |
| Dial | 100 mm aluminium, 0–90° in four quadrants |
| Needle | Agate-centred magnetic needle with aluminium pointer |
| Reading aid | Anti-parallax mirror |
| Base | Non-magnetic tripod with levelling screws |
| Rotation | Coil turns about a vertical axis |
Where This Is Used
Used to measure current and the horizontal component of the Earth's field in college magnetism practicals. See also the Galvanometer (Product ID: 10823) for detecting small currents. Browse the full Lab Meters range or related Magnetism products.
Frequently Asked Questions
What law does it use?
The tangent law: current is proportional to the tangent of the needle deflection.
Why are there three windings?
2, 50 and 500 turns let you match the coil to the size of the current.
Can the compass box be used alone?
Yes, it detaches for magnetometer work.
Related Categories
Lab Meters · Magnetism · Electricity and Magnetism
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