While Volt measure the force of an electrical current, which is the movement of zillions of electrons. Amperes or amps measure the number of electrons in a current moving past a specific point on a wire or another conductor in a one-second period of time. If you want an exact number, one ampere equals one coulomb of electrical charge moving across a conductor in one second (or 6,250,000,000,000,000,000 electrons per second).Coulombs were named for that fun eighteenth-century French physicist, Charles A. de Coulomb.
If electricity were water, volts would be the speed of the water, and amps would be the amount of water flowing through your hose. A new three- or four-bedroom house often will have a 200-amp service; apartments or small condominiums might only need 100-amp services. Individual fuses and circuit breakers are measured in amperes. That is, they only allow a certain amount of current to pass through before they shut down the current.
If electricity were water, volts would be the speed of the water, and amps would be the amount of water flowing through your hose. A new three- or four-bedroom house often will have a 200-amp service; apartments or small condominiums might only need 100-amp services. Individual fuses and circuit breakers are measured in amperes. That is, they only allow a certain amount of current to pass through before they shut down the current.
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