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8Sci CH1 Elec & Magn
Electricity & Magnetism
Question | Answer |
---|---|
circuit | any complete pathway through which electrical current flows |
conductor | material that allows electrical charges to flow freely from place to place |
current | rate at which electrical charges flow past a point in a circuit over a period of time |
electrical charge | concentration of electricity |
insulator | material that does not allow electrical charges to flow freely from place to place |
like charges | similar electrical charges that repel each other |
potential charges | change in total energy divided by the total electric charge |
resistance | property of materials indicating how much energy is changed to thermal energy and light as an electrical charge passes through them |
resistance | depends on the material of the conductor in addition to the conductor’s thickness and length |
unlike charges | dissimilar electrical charges that attract one another |