Chap. 2 How does electrical energy get around?

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circuit

a closed loop path of conduction through which an electric current flows

open circuit

an incomplete path that will not permit an electric current to flow

closed circuit

a complete path for electric current

current electricity

the flow of electrons through material

potential difference

the difference in potential energy between charges in two different locations, voltage

volts

the SI unit of electric potential

voltage

potential difference, the difference of potential between two points

resistance

any opposition that slows down or prevents movement of electrons through a conductor, opposition to the flow of electricity

ohms

unit for measuring electric resistance

Ohms Law

a scienctific law stating that the strength of a current is equal to the voltage divided by the resistance of the circuit Amps=volts / ohms

ampere

the rate of electron flow in a circuit, the unit of current

amps

unit used to measure the amount of current in a circuit

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