A double-pole double-throw (DPDT) switch is incorporated into the circuit. When the switch is moved to position 1, the unknown resistance is connected to the circuit; when shifted to position 2, the standard resistance is connected instead.
Hello,I'm Wdwiin. A decade of hands-on experience in electrical engineering, specializing in high-voltage systems, smart grids, and renewable energy technologies. Passionate about technical exchange and knowledge sharing, committed to interpreting industry trends with professional insights to empower peers. Connection creates value—let’s explore the boundless possibilities of the electrical world together!