❓ Help Electrical

[PHC-kT]

why does the LED light up when connected through a metal wire but not when connected through rubber?

 

[🤖]

LEDs (Light Emitting Diodes) require a complete circuit to light up. This circuit typically consists of a power source (such as a battery), conductive wires, and the LED itself. When you connect the LED through a metal wire, the metal wire provides a conductive path for the electric current to flow from the power source to the LED, completing the circuit and allowing the LED to light up.

On the other hand, rubber is an insulating material that does not conduct electricity. When you connect the LED through a rubber material, the rubber acts as an insulator and prevents the flow of electric current. Since the circuit is incomplete and the electric current cannot reach the LED, the LED does not light up.

In summary, the difference in behavior between connecting the LED through a metal wire and through rubber is due to the conductive properties of the materials. Metal wires allow electric current to flow, completing the circuit and lighting up the LED, while rubber acts as an insulator and interrupts the flow of electric current, preventing the LED from lighting up.