Search Coil
Product Code : LSK-PL-10287
Search Coil (SKU LSK-PL-10287) is a 3300-turn coil on a wand that detects alternating magnetic fields: a field passing along its axis induces an e.m.f. that can be read on an oscilloscope or AC millivoltmeter. It suits electromagnetic induction work in senior secondary and college physics. Science Lab Supplies produces the coil in Saha, Ambala, India, at Plot 448, HSIIDC Industrial Area, and supplies it straight to schools, colleges, contractors and distributors.
Specifications
Turns, mounting, leads and read-out of the search coil appear as separate rows. In short, 3300 turns are mounted on a wand, flying leads end in 4 mm plugs, and the e.m.f. induced by an alternating field passing axially through the coil is shown on an oscilloscope or AC millivoltmeter.
| Specification | Value |
|---|---|
| SKU | LSK-PL-10287 |
| Number of turns | 3300 |
| Mounting | On a wand |
| Leads | Flying leads |
| Lead termination | 4 mm plugs |
| Detects | Alternating magnetic field passing axially through the coil |
| Output | Induced e.m.f. |
| Read-out instrument | Oscilloscope or AC millivoltmeter (quoted separately) |
| Manufacturer | Science Lab Supplies, Saha, Ambala, Haryana |
| Country of origin | India |
Applications and Experiments for the Search Coil
Moving the coil around a transformer, solenoid or AC-carrying wire shows where the alternating field is strong and which way it points, because the induced e.m.f. is greatest when the field runs along the coil axis. It supports Class 12 electromagnetic induction and B.Sc. and diploma magnetism practicals.
- Class 12 physics: Faraday’s law of induction, alongside the coils of the Apparatus for Studying the Production of Electricity by Induction.
- Mapping the alternating field around a coil or transformer core.
- Induced e.m.f. against the angle between coil axis and field, displayed on a PC Oscilloscope.
- Checking stray fields from AC equipment.
Standard Scope of Supply
Each Search Coil is supplied as a single unit: the 3300-turn coil on its wand, with flying leads fitted with 4 mm plugs. The oscilloscope or AC millivoltmeter used to read the induced e.m.f., and the AC field source, are separate items that can be added to the quotation.
Packing, MOQ and Lead Time
A quotation can cover one coil for a teacher’s demonstration or a set for student groups, and it gives the packing, delivery time and price for that quantity. Oscilloscopes, field coils and other electricity and magnetism lab kit for schools can be quoted with it.
Science Lab Supplies holds an Importer-Exporter Code; as a registered exporter it can ship to buyers in Rwanda, South Africa, Qatar, Sri Lanka, Vietnam and Malaysia. One message on the contact page, a list in the enquiry cart or a tender filed through the lab tender page is enough to have the coil priced.
Frequently Asked Questions
What do I need to read the Search Coil?
An oscilloscope or an AC millivoltmeter. The coil’s flying leads end in 4 mm plugs for connection to the instrument’s input, and the display shows the induced e.m.f.
Does it work with a steady magnetic field?
A steady field only induces an e.m.f. while the coil is moving through it. The coil is intended for alternating fields, where the changing field induces a continuous e.m.f. that is easy to display.
Is Science Lab Supplies the manufacturer or a trader?
The coil and its wand are produced at the Science Lab Supplies factory in Saha, Ambala, India, which makes the company the manufacturer; orders and quotations are handled by the maker, not a distributor.
Why does the coil have so many turns?
Each turn adds to the induced e.m.f., so 3300 turns give a measurable signal from modest alternating fields, which suits a sensitive meter or an oscilloscope input.
Related Electromagnetism Equipment
A search coil needs a changing field to detect and an instrument to show the result. The items below provide field sources, induction demonstrations, transformers and a display, so an electromagnetic induction practical can be set up from one quotation for a school or college physics laboratory.
- Oscilloscope — draws voltage against time, with 2 MB internal memory.
- Induction Coils with Cores — cored induction coils rated at 5 A.
- Magnetic Field Demo, Round Coil — round coil showing the field of two conductors carrying opposite currents.
- Lenz’s Law — complete and split loops show induced motion with a magnet.
- Transformer — 200 and 800 turn primaries with a 400 turn secondary.
- Faraday’s and Lenz’s law Demonstration Set — PVC guide tube and copper ring on a base with LED and 4 mm socket.
- Transformer Parts Kit — coils from 300 to 1800 turns with a 32 x 25 mm U and I core.
Browse the full Physics Lab range, the Magnetism Physics range, or all physics lab equipment.
Last updated: 22 October 2026
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