This physics teaching aid enhances your educational toolkit by facilitating interactive learning and fostering a deeper understanding of electrical concepts. Suitable for students, physics teachers, science enthusiasts, electricians, and electronics enthusiasts seeking a handson learning tool. Constructed from ABS plastic and metal, this 2A 20Ω Sliding Resistor uses a sliding mechanism with clearly calibrated markings for easy use and reliable performance during experiments. The adjustable sliding rheostat provides precise control over electrical resistance, an essential tool for understanding current variations in circuit experiments. Key benefits Supports interactive, handson learning and improves comprehension of electrical concepts. Easy to use thanks to the sliding mechanism and clearly calibrated scale. Durable ABS plastic and metal construction. Rated for 2A with a nominal 20Ω resistance, suitable for common educational experiments. Enables precise resistance adjustment for observing current changes in circuits. Specifications and attributes Type: Sliding resistor (adjustable sliding rheostat) Current rating: 2A Nominal resistance: 20Ω Material: ABS and metal Calibration: Clearly marked, sliding mechanism for easy and reliable use Use scenarios In a classroom or lab, to demonstrate how varying resistance affects current and circuit behavior. In physics or electronics experiments, to practice measuring and analyzing resistance and current with a handson tool. In electronics hobbyist projects or training environments that require precise, adjustable resistance during circuit tuning.