Electricity words and definition

ammeter an electrical measuring instrument used to measure electron flow in amperes

load an amount of electrical power that is being produced and is "weighting on" the electric circuit

diode a device that allows a flow of electricity in one direction but not another

insulate cover or separate with non-conducting materials

battery an energy source that converts chemical energy to electrical energy

short (circuit) a failure of an electrical system caused by bad wires or a fault in the connection in the wires

circuit board a set of connections in a piece of electrical equipment consisting of thin lines of metal on a board

conductor something that allows heat or eceltricity to pass through it

direct current a flow of electricity that flow in one direction only

resistance the opposition that a material offers the flow of current

relay an electrically operated remote switch whose contacts are closed or opened by an electromagnetic field

voltage/potential/tension electrical force measured in volts

current the flow of electrons

parallel circuit a circuit that contains two or more paths of the electrons to travel

socket a place where you can connect electrical equipment to the electricity supply

alternating current a flow of electricity that changes direction frequently and quickly

grounding connecting an object to the earth to remove an electric charge

static electricity an attractive or repulsive force between two charged objects

switch a device that controls the flow of electrons by opening and closing a circuit

series circuit a circuit in which the electrons can only travel in one path

fuse protective device to aviod overload

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