Coulomb coulomb is the fundamental unit of charge it is, Ask an Expert

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Coulomb: Coulomb is the fundamental unit of charge. It is explained as the charge required to obtain 9?109 newton of force among two equal charges separated at a distance of one meter in vacuum.

Candle: Candle is the fundamental unit of luminous intensity. It is explained as luminous intensity observed from a source of monochromatic light of frequency 540?1012 Hz, that has an intensity of 1/683 watt per steradian.

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