Rheostat – 37 Ohms, 3.2 Amps (Single‑Tube, Durable Construction)

This high‑performance 37‑Ohm Rheostat is engineered for accurate and reliable adjustment of electrical resistance in school physics laboratories and technical training environments. Designed with robust metal die‑cast feet, it offers excellent stability and long‑term durability during hands‑on experiments.

The single‑tube rheostat is wound with heavily oxidised resistance wire to enhance heat resistance and extend lifespan. Its porcelain insulating tube ensures safe operation while delivering smooth, controllable resistance for a wide range of electrical demonstrations.

Key Features

• 37‑Ohm resistance with a maximum current rating of 3.2 Amps
• Single‑tube construction for consistent resistance control
• Equipped with durable metal die‑cast feet for superior stability
• Wound with heavily oxidised resistance wire for high thermal tolerance
• Porcelain tube provides safe, reliable insulation
• Ideal for physics classrooms, STEM labs, and circuit analysis demonstrations

Ideal for School Science Lessons

Perfect for KS3, GCSE, and A‑Level Physics, this rheostat helps students investigate core electrical principles through hands‑on experimentation. It supports learning in:

• Exploring how variable resistance influences current in a circuit
• Understanding Ohm’s Law through practical measurement
• Demonstrating current control in series and parallel circuits
• Analysing energy dissipation and thermal effects in resistive components
• Developing skills in circuit building and testing

Strong, safe, and designed for educational use, this 37‑Ohm Rheostat is a valuable addition to any school science laboratory focused on electrical systems and practical physics.