Quick Answer: The Rheostat 10 Inches is a linear rheostat with a 250 mm (10 inches) ceramic tube wound with oxidised alloy resistance wire. Three 4mm sockets allow use as a rheostat or a potentiometer.
Last updated: October 2026
Key Features
Oxidised alloy resistance wire on a vitrified ceramic core
250 mm (10 inches) active tube length
Metal slider with contact wiper
Three 4mm sockets for rheostat and potentiometer modes
Die-cast end supports with insulating feet
Technical Specifications
Specification
Value
Winding
Oxidised alloy wire on vitrified ceramic core
Tube length
250 mm (10 inches)
Slider
Metal, with contact wiper
Terminals
Three, 4mm sockets
End supports
Die-cast, insulating feet
About This Product
Connected through two terminals, the rheostat works as a variable resistor to set the current in a circuit; using all three turns it into a potential divider. It is a standard part of Ohm’s law, cell and bridge experiments.
Frequently Asked Questions
Can the Rheostat 10 Inches be used as a potential divider?
Yes. It has three terminals, so it can be wired as a rheostat or as a potentiometer.
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