Electricity
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Current
the movement of electrons/ions through an electrical conductor or space.
Insulator
A substance that does not allow the flow of electrons
Parallel Circuit
a circuit with branched pathways
The unit of measuring power (i.e joules per second)
Watts
The unit of measuring current (A)
Amperes
Parts in a circuit
Components
Resistance
How much a component opposes the flow of current through it
Unit of Voltage
Volts
Ohm
The unit of measuring resistance
Ammeter
a device to measure the flow of current in amperes (a device used to measure current)
Rheostat
a component that has variable resistance
Circuit
a system of electrical components that forms a loop and curries current
Conductor
a substance that allows the follow of electrons
Voltage
a measure of the energy converted between points in a circuit
Cell
A single unit of device that converts chemical energy into electrical energy.
Voltmeter
a device to measure the voltage change across an electric component. (used to measure voltage across two points)
Series Circuit
a circuit with a single pathway
Power
The rate at which energy is used
Fuse
a component in a circuit that cuts out and stops the current if it gets too high
Battery
two or more electrical cells joined together
Joule
the unit of measuring energy