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physical science ch6

QuestionAnswer
electric field exerts a force in anything that has an electric charge
insulator material that doesn't allow an electric current to pass through it easily
repel what like charges do
static electricity accumulation of electric charges on an object
metals materials that are usually good conductors of electricity
attract what unlike charges do
copper metal that is often used in wires that conduct electricity
plastic material that is often used to insulate wires that conduct electricty
conductor any material that allows electricity to pass through it easily
neutrons neutral particles found in the nucleus of an atom
protons positively charged particles that are found in an atom
electrons negatively charged particles found in the nucleus of an atom
electric current a net movement of electric charges in a single direction
voltage difference related to the force that causes electric charges to flow
electric circuit a closed path that electric current flows
resistance measured in ohms, the tendency for a material to resist the flow of electrons and convert electric energy into other forms of energy
ohm's law the current in a circuit equals the voltage difference divided by resistance
series circuit an electric circuit with only 1 branch
parallel circuit contains 2 or more branches for current
electrical power the rate at which electrical energy is converted to another form of energy
electric force something charged objects exert on eachother
Created by: bittsygirl
 

 



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