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Ch. 10 Pg. 226-230

Electrostatic Force

The field force exerted by electrical charges; it may be repulsive or attractive depending on the kinds of charges interacting

Law of Charges

Like charges repel; unlike charges attract


an inclination to attract or associate


SI unit for electrical charge

Charles Coulomb

a prominent French mathematician and theoretical physicist

Electrical Insulators

a material that does not easily conduct electricity; example: wool and glass

Electrical Conductors

the flow of an electrical current through a conductor; example metals

Lines of Force

Imaginary lines used to model electric and magnetic fields; Their density and direction represent the strength and direction of the field force at any point in the field

Field Strength

represented by the distance between the lines of force

Electrical Induction

Electricity generated from a changing magnetic field or a magnetic field generated by an electrical current


A neutral molecule whose electrons have shifted to form positive and negative ends, or poles; example : water

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