Key-Circuit-Electricity-Study-guide-Review

electric current

flow of electric charge

conductors

charge can flow easily through materials like metals

insulators

charge cannot flow easily through and have bound electrons

resistance

opposition to the flow of charges in a material

resistors

convert electric potential energy to another form of energy

voltage

difference in electric potential energy between two location in a circuit or electric field

voltage sources

does work on charges to increase electric potential energy of electric charges

I

v/r

V

IR

R

V/I