The ampere is a unit of measure of electric current; the British thermal unit is a unit of heat energy; one horsepower is a unit of power equal to 746 watts; a kilowatt is 1,000 watts; a therm is a...

The ampere is a unit of measure of electric current; the British thermal unit is a unit of heat energy; one horsepower is a unit of power equal to 746 watts; a kilowatt is 1,000 watts; a therm is a unit for measuring natural gas; voltage is the push that moves electric current; and a watt is a unit of electric power.