Rheostat – Single Tube, 55 Ohms, 2.3 Amps [1193]

This high‑quality Single Tube Rheostat (55 Ohms, 2.3 Amps) is designed for reliable use in school physics laboratories. Built with robust die‑cast metal feet, the unit offers excellent stability during demonstrations and student experiments.

The rheostat is wound with heavily oxidised resistance wire on a durable porcelain tube, ensuring long life, good heat dissipation, and consistent variable‑resistance performance. Ideal for teaching the principles of electrical resistance, this rheostat delivers dependable results across a wide range of classroom activities.

Key Features

• Single Tube Rheostat providing smooth variable resistance
• Resistance value: 55 Ohms
• Maximum current: 2.3 Amps
• Mounted on strong die‑cast metal feet for stability
• Constructed with oxidised resistance wire for durability
• Built on a porcelain tube for excellent heat resistance
• Designed for use in school physics laboratories

Ideal for School Science Lessons

Perfect for KS3, KS4, and GCSE Physics, this rheostat helps students explore the relationships between voltage, current, and resistance in electrical circuits. Its sturdy build and adjustable resistance make it ideal for repeated classroom use.

• Investigating Ohm’s Law through hands‑on experiments
• Demonstrating the effect of variable resistance on circuit behaviour
• Controlling current in circuits with bulbs, motors, or buzzers
• Supporting experiments requiring fine adjustment of current flow
• Developing practical circuit‑building and measurement skills

Durable, dependable, and built for educational use, this 55 Ohm Rheostat is an essential piece of equipment for any school physics lab.