click below
click below
Normal Size Small Size show me how
chapter 7
Question | Answer |
---|---|
the accumulation of excess electric charge on an object | static electricity |
states that charge can be transferred from one object to another but cannot be created or destroyed | law of conservation of charge |
material such as copper wire in which electrons can move easily | conductor |
material in which heat flows slowly | insulator |
process of transferring charge between objects be touching or rubbing | charging by contact |
process of rearranging electrons on a neutral object by bringing a charged object close to it | charging by induction |
the net movement of electric charges in a single direction measured in amperes | electric current |
related to the force that causes electric charges to flow measured in volts | voltage difference |
closed conduction loo;p through which an electric current can flow | circuit |
tendency for a material to oppose electron flow and change electrical energy into thermal energy and light measured in ohms | resistance |
states that the current in a circuit equals the voltage difference divided by the resistance | ohm's law |
circuit in which electric current has only one path to follow | Series circuit |
circuit in which electric current has more that one path to follow | parallel circuit |
rate at which electrical energy is converted to another form of energy expressed in watts | electrical power |