Resistors are two-terminal electronic components made of resistive materials with a certain structural form that can limit the flow of current in a circuit. The resistance value of a resistance element is generally dependent on temperature, material, length, and cross-sectional area. The physical measurement of resistance affected by temperature is the temperature coefficient. The resistor is generally used to regulate and stabilize the current and voltage in the circuit. According to the circuit requirements, resistors can also be used to amplify the circuit negative feedback or positive feedback, voltage-current conversion, input overload voltage or current protection elements.
