What is the SI unit of electrical energy?
Q: What is the SI unit of electrical energy?
A: The SI unit of electrical energy is the joule.
Q: What is a watt-hour?
A: A watt-hour (Wh) is the amount of energy used by a one-watt load, such as a tiny light bulb, drawing power for one hour.
Q: How much energy does a typical household use per month?
A: A typical household uses several hundred kilowatt-hours per month.
Q: What is the difference between "electrical energy" and "electric power"?
A: In physics, and electrical engineering, "energy" and "power" have different meanings. Power is energy per unit time. The SI unit of power and electricity is the watt. One watt is a joule per second.
Q: Is it correct to say "flow of power"?
A: No, it would be more accurate to say "flow of energy".
Q: Is it correct to say "consume a quantity of electric power"?
A: No, it would be more accurate to say "consume a quantity of electrical energy".
