The clicking sound you hear when you turn on the burner of your electric stove is most likely the ignition system at work. Electric stoves typically use either a spark ignition or a glow-bar ignition system to ignite the burner.
Spark Ignition: In stoves with spark ignition, there is a small spark module located near the control knob of each burner. When you turn the knob to the "ignite" position, it activates the spark module. The spark module generates a high-voltage electrical spark, which is then sent to the burner's igniter (a small ceramic or metal piece located near the burner). The spark ignites the gas from the burner, and that's what produces the clicking sound you hear. Once the gas is ignited, the clicking stops, and the burner continues to operate.
Glow-Bar Ignition: Some electric stoves use a glow-bar ignition system. Instead of a spark, a glow-bar igniter, often made of silicon carbide, is used. When you turn on the burner, the glow-bar igniter heats up and begins to glow red hot. As the igniter reaches the necessary temperature, the gas valve opens, and the gas is ignited by the glowing element, producing the clicking sound until the gas ignites.
These ignition systems are designed to ensure that the gas is ignited safely and efficiently when you turn on the burner. If you notice that the clicking continues even after the burner has ignited, there might be an issue with the ignition system, and it's a good idea to have the stove checked by a professional technician. Additionally, always make sure to follow proper safety procedures and keep the stove and its components clean for optimal performance.