Different Kind of Materials.

Conductors, Semiconductors, and Insulators.


  • Conductors - Are materials that freely allow the flow of electrons with very little resistance. Examples - Water, Copper, and Iron.

  • Semiconductor - Are materials that do not allow electors to flow freely but do not directly stop them either. Semiconductors have more resistance than conductors but less resistance than insulators.

  • Insulators - are materials that greatly impede or stop the flow of electrons with very high resistance. Examples - Glass, Dry air, And Rubber.

  • Voltage - is the potential difference in electrical charge between two different areas in a circuit. Voltage is the force that pushes the current along through the circuit.

  • Resistance - The difficulty an electric current faces to pass through an object.

  • Ohm’s Law - Is a mathematical equation that shows the relationship between current, voltage, and resistance.

  • In a conductor, electric current can flow freely, in an insulator it cannot.

  • Semiconductor devices have Limited conductors of electricity that means their conductors are between conductors and insulators.