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electric charge
(redirected from Q (electricity))

   Also found in: Wikipedia, Hutchinson 0.06 sec.
electric charge: see charge charge, property of matter that gives rise to all electrical phenomena (see electricity ). The basic unit of charge, usually denoted by e, is that on the proton or the electron ; that on the proton is designated as positive (+e
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electric charge

Quantity of electricity that flows in electric currents or that accumulates on the surfaces of dissimilar nonmetallic substances that are rubbed together briskly. It occurs in discrete natural units, equal to the charge of an electron or proton. It cannot be created or destroyed. Charge can be positive or negative; one positive charge can combine with one negative charge, and the result is a net charge of zero. Two objects that have an excess of the same type of charge repel each other, while two objects with an excess of opposite charge attract each other. The unit of charge is the coulomb, which consists of 6.24 × 1018 natural units of electric charge.


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