The deficiency and excess of electrons on any material is known as charge. Og excess of electrons is present than material is negatively charged similarly. if deficiency of electrons is present than material is positively charged.
EXPLANATION:
Charge is measured in coulomb and coulomb is denoted by "C". But charge is denoted by"Q". similarly coulomb is defined as " it is the value of charge that one ampere current is transfer it to one side to another side in one second
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