Question

definition of unit charge.......... ​

Answer 1

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The SI unit of charge is the coulomb (C). Using Coulomb's law, it is defined as follows:

One coulomb is the amount of charge, which placed at a distance of one metre from another charge of the same magnitude in vacuum, experiences a force of 9.0 x 10^9 N.

Answer 2

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A unit charge refers to a charge of one coulomb which is also the SI unit of charge. Basically, it is the charge transferred by a steady current of one Ampere in one second.

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