EG1 CH.2 Flashcards
Born in Erlangen, Germany, his later works as a physicist resulted in the 1827 discovery of the mathematical law of electric-current.
Georg Simon Ohm
Define ohm
An ohm is a unit of electrical resistance.
Explain the electrical resistance of the ohm
The ohm is equal to that of a conductor in which a current of one ampere is produced by a potential of one volt across its terminals.
Which is easier to flow through a large diameter wire or small?
Large diameter wire
What is created when resistance is high?
Friction, heat and light
The Scottish inventor of the steam engine, who created the horsepower unit, and raked in the cash from his monopoly on the steam engine.
James Watt
Define watt
A watt is a unit of electrical power and is the product of volts x amps.
What do watt-hour meters do?
Watt-hour meters, simply measure voltage and amperage over time and convert these readings into watt-hours.
How are generators and pumps rated today?
In horsepower
One horsepower is equivalent to how many watts?
746 watts
