positive - Protons have ___ charge., negative - Electrons have ___ charge., attract - Opposite charges ___., repel - Charges that are the same charges ___., insulators - ___ are materials that do not allow electric current to pass through easily., electrons - Current is usually the flow of ___., resistance - The tendency for a material to oppose the flow of electrons is called ___., increases - Making wires thinner, longer, or hotter ___ the resistance., examples of insulators - rubber, plastic, styrofoam, example of conductors - silver, copper, gold, steel, aluminum, amperes - The unit for measuring current is ___., electric force - The force between charged objects or particles., electric field - An area around a charged object where the objects electric force is exerted on other charged objects., electrical potential energy - he energy that is needed to move a charge against an electric field., electric current - the continuous flow of electric charges through a material, electric circuit - a complete, unbroken path where electric charges can flow.,
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Electric Charge, Current, Force & Field
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by
Calai
Middle
Science
Properties of matter
Forces and motion
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