What is electricity?

• Electricity

  • Is a form of energy, caused by tiny, negatively charged particles called electrons.
  • Static Electricity is caused when electricity builds up in one place.
  • Current electricity is caused when electrons move from one place to another.
• Electricity Glossary

  Current: The rate at which electrons carry energy through a circuit.

  Voltage: The electromotive force that can be applied to push electrons through a circuit.

  Resistance: A load applied that restricts the flow of electrons and dissipates (uses up) energy.
• Voltage


  Measured with a Voltmeter

  Units are VOLTS

  Symbol is V
• Current


  Measured with an Ammeter

  Units are AMPS

  Symbol is I
• Resistance


  Measured with a Multimeter

  Units are OHMS

  Symbol is R