A working fire-alarm model — a bimetallic strip bends when heated and closes a circuit to sound the buzzer.
| Board | Class | Chapter / topic |
|---|---|---|
| CBSE | 7 | Heat |
| CBSE | 11 | Thermal Properties of Matter |
Samtech Labs (JAYSEE brand) is a trusted manufacturer of school science and STEM laboratory equipment, based in Ambala Cantt, India, and serving educators since 1959. We supply 600+ physics, chemistry, biology, astronomy and renewable-energy teaching kits to schools, dealers and institutions across India, with competitive bulk pricing and full support for government (GeM) tenders.
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