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1 Coulomb = 6.2415 * 10 ^ 18th electrons
1 Ampere = 1 Coulomb passing 1 point in a conductor in 1 second
1 Ohm is the resistance of a column of mercury with a cross-sectional area of 1 square millimeter and a length of 106.3
centimeters at zero degrees Celsius
A conductor has 1 ohm of resistance when an applied potential of 1 volt produces a current of 1 ampere
1 Joule = the work done when a current of 1 ampere passes through a resistance of 1 ohm for 1 second
1 Watt = 1 joule/second; the power dissipated by a current of 1 ampere flowing across a resistance of 1 ohm