Enhance your educational toolkit with this physics teaching aid designed to facilitate interactive learning and deepen understanding of electrical concepts. Suitable for school students, physics teachers, science enthusiasts, as well as electricians and electronics enthusiasts who seek handson learning tools. Widely used in physics laboratories, electrical course demonstrations, and circuit project development and testing environments. Made with ABS plastic and metal, this 2A 20Ω Sliding Resistor features a sliding design and clearly calibrated markings, ensuring ease of use and reliable results during experiments. Benefits: supports active, handson learning; helps students observe how changing resistance affects current and voltage; durable construction for repeated classroom and lab use. Key attributes: Function: sliding variable resistor for adjustable resistance Compatibility: suitable for integration with common lab setups for physics and electronics Material: ABS plastic and metal Performance: rated at 2A and 20Ω with clear calibration for accurate readings Use scenarios: In a school physics lab, connect to a power supply and use the slider to vary resistance while measuring current to verify Ohm's law. During classroom demonstrations, illustrate the impact of resistance changes on circuit behavior and voltage distribution. For circuit prototyping and testing in electronics projects or lab exercises, quickly adjust resistance to explore circuit responses.