The role of resistors and capacitors in electronic circuits 1

Resistors and capacitors are two common basic electronic components in circuits, playing different roles in the circuit. First, let's take a look at the resistance. Resistance refers to a component that obstructs the passage of current, usually represented by the Greek letter Ω (ohm) in ohms. Resistors can control the magnitude of current by adjusting their resistance value and are one of the commonly used control components in circuits. The magnitude of resistance is related to factors such as the resistivity, length, and cross-sectional area of the material. When current passes through a resistor, it generates heat, which is called Joule heating. Resistors can also be used for voltage division, current limiting, and circuit protection. Common resistors include fixed resistors, DTC115EETL variable resistors, etc.diode

Next is the capacitor. Capacitors are used to store charges and are components that can accumulate charges and generate an electric field. Capacitors are usually represented by the capital letter C in Farads. A capacitor is composed of a dielectric separated between two conductors. When a voltage is applied to the capacitor, positive and negative charges will be stored on the two conductors, forming an electric field. Capacitors can store energy in circuits and have the ability to transmit AC signals. They are commonly used in applications such as filtering, coupling, and power regulation. The size of a capacitor is related to its structure, dielectric material, and electrode area. Common capacitors include fixed capacitors, variable capacitors, etc.diode