![]() ![]() Short for Watt-hour, the Energy unit measure Receptacles connect the appliances to a circuit.Ĭonnecting metal parts of electric appliances to earth. If carelessly used, these can cause damage to a person and to equipment. Switches can energise circuits, that is, they allow a current to flow through. When there is an overload, that is, too much current flowing, the fuses will blow or the circuit breakers will trip. These protect wires from overheating and are found in the distribution panel box. ![]() Using this, a circuit can be turned on or off. ![]() This is a circuit breaker and contains many electrical circuits. The voltage at which a battery is maintained after being fully charged. The level of charge that can be applied without overheating the battery. Short for Valve Regulated Lead Acid Battery. The difference in charge between two points.Ī material's tendency to resist the flow of charge (current).Ī closed loop that allows charge to move from one place to another.Īny material that allows electrical energy to be converted to thermal energy.Īdditional power available for a short amount of time. Small charged particles that exist as part of the molecular structure of materials.Īn electron that is easily separated from the nucleus of the atom to which it belongs.īodies that possess free electrons (metals, for example, but also the human body and the earth).īodies that do not possess free electrons (e.g., glass, plastic and wood). ![]()
0 Comments
Leave a Reply. |