BRAINCAKEElectric Charge
Electric charge is a physical property which can be either positive or negative. Objects with like charges repel each other. Objects with unlike charges attract each other.
Electric Charge is measured in coulombs (C). A particle that has electric charge is a charge carrier. In an electrolyte, the charge carriers are ions. In a metal wire the charge carriers are electrons.
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All 30 lessons in Electricity · All OCR AS-level Physics topics