A Rheostat is a variable resistor used to control electric current in electrical and physics laboratory experiments. This sliding type rheostat is constructed with high-quality resistance wire wound uniformly over a ceramic insulated tube, providing smooth and accurate resistance variation. The movable sliding contact allows easy adjustment of current flow in circuits. It is widely used in schools, colleges, engineering laboratories, and scientific research applications for demonstrating Ohm’s Law, current control, and resistance variation experiments.

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