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"the coulomb (symbol: c) is the international system of units (si) unit of electric charge. it is the charge (symbol: q or q) transported by a constant current of one ampere in one second."
5.0 SR
6.0 SR
"voltage, electric potential difference, electric pressure or electric tension is the difference in electric potential between two points. the difference in electric potential between two points in a static electric field is defined as the work needed per unit of charge to move a test charge between the two points"
3.0 SR
4.0 SR
