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the accumulation of excess electric charge on an object
static electricity
A type of electricity in which electrons flow through a conductor as part of a circuit
Current Electricity
A circuit in which all parts are connected end to end to provide a single path of current.
Series Circuit
A circuit that contains more than one path for current flow.
Parallel Circuit
A material in which electrons are able to move easily
Conductor
A material in which electrons are not able to move easily
Insulator
A substance that can conduct electricity under some conditions, but not always
Semiconductor
A flow of electric charge
Electric Current
unit to measure electric current, symbol A
Ampere
A material's opposition to the flow of electric current, measured in Ohms (Ω)
Electrical Resistance
unit used to measure electrical resistance
Ohms Ω
The difference in electrical potential energy between two places in a circuit, measured in Volts
Voltage
The unit of electric potential; symbol V
Volt
The rate at which electrical energy is converted into other forms of energy
Electric Power
SI unit of power
Watt
a coil of wire with an iron core that acts as a magnet when an electric current passes through
Electromagnet
