Rheostat, Air Cooled

This rheostat provides variable resistance for electrical circuits, making it ideal for laboratory demonstrations. It offers practical learning opportunities for students to explore electricity and resistance.

Key Features:

• Resistance: 20 Ohms for adjustable control
• Max. Current: 4.2 Amps
• Construction: Oxidised constantan wire on a vitreous enamel tube
• Long-life Contact: Phosphor bronze contact on a sliding carriage
• Connections: Three binding posts for secure connections
• Dimensions: 300 x 44 mm tube size

An essential tool for science educators, this rheostat helps students understand electrical resistance in a hands-on way, supporting physics and electrical engineering lessons.