Sources of Electrical Energy

What does electricity come from?

• Air

• Charge

• The Government

• Wires

How much of our total energy use comes from electricity?

• 10%

• 25%

• 40%

• 88%

Where does most of the electrical energy we use in the United States come from?

• Nuclear Power

• Wind Power

• Solar Power

• Fossil Fuels

A utility pole is an example of what type of infrastructure?

• Electrical generation

• Electrical Distribution

• Roads & Bridges

• Homes & Businesses

Which of the following is the largest fuel source for electricity?

• Coal

• Petroleum

• Nuclear

• Hydro-electric

How much of our total electricity generation do we get from renewable energy sources?

• 0%

• 13%

• 25%

• 50%

Which of the following is a chemical process?

• Fission

• Converting heat into steam

• Condensation

• Combustion

Which of the following process is used in a turbine?

• Converting fuel into heat

• Converting thermal energy in steam to mechanical energy

• Electromagnetic induction

• Converting electrical energy into mechanical energy

Which of the following process is used in a generator?

• Converting fuel into heat

• Converting thermal energy in steam to mechanical energy

• Electromagnetic induction

• Converting electrical energy into mechanical energy

What does it take to get more electrical energy out of a generator?

• More mechanical energy in

• More heat in

• More fuel in

• All of the above