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Electricity
Definition | Term |
---|---|
_______carry a positive charge? | protons |
_______carry a negative charge? | electrons |
All objects exert an ______on each other; it can be attractive or repulsive. | electric force |
Electrons can move from object to object: _________is the buildup of electric charge on an object | static charge |
Electric charges exert a force on each other at a distance through an _______which exists around every electric charge? | electric field |
material which does not allow electrons to move easily | insulator |
material that allows electrons to move easily | conductor |
rapid movement of excess charge from one place to another | electric discharge |
flow of charge through a conductor | electric current |
closed conducting loop through which electric currents continuously flow | circuit |
measure of how much electric energy an electron in a circuit can gain from a battery | voltage |
measure of how difficult it is for electrons to flow through a material | resistance |
current = voltage/ resistance | Ohm's Law |
a _____ circuit has only one path for the electric current to follow | series |
a ______ circuit has more than one path for the electric current to follow | parallel |
rate at which an appliance converts electrical energy to another form of energy | electric power |
current x voltage= | power |
the unit of power is the ______ | watt |