Electricity System Quiz

What is the majority source of America's electricity?

• Coal

• Solar power

• Natural gas

• Wind power

What is the process used to generate electricity in thermal power plants?

• Harnessing ocean tides

• Using solar panels

• Heating water to produce steam

• Burning wood

What is the purpose of a transformer in the electricity grid?

• To store large amounts of electricity

• To decrease electric voltages

• To increase electricity demand

• To generate mechanical energy

What is the function of substations in the electricity grid?

• To increase electric voltages

• To transport electricity across long distances

• To generate electricity

• To distribute electricity to homes

What is the role of the generator inside a turbine in a power plant?

• To produce steam

• To convert mechanical energy into electric energy

• To spin magnets with a coil

• To create electricity from wind power

What is the purpose of high-voltage transmission lines in the electricity grid?

• To decrease electric voltages

• To transport electricity across long distances

• To store large amounts of electricity

• To generate mechanical energy

What is the North American electricity grid made of?

• Three large grid systems

• Two large grid systems

• Five large grid systems

• Four large grid systems

What is the challenge in transferring electricity across long distances?

• Cost-effectively storing large amounts of electricity

• Transporting electricity through power lines

• Generating enough electricity to meet demand

• Balancing the transmission system to avoid blackouts

What is the natural resource used to generate power in thermal power plants?

• Coal

• Solar power

• Natural gas

• Wind power

What is the function of the rotor inside a turbine in a power plant?

• To produce steam

• To convert mechanical energy into electric energy

• To spin magnets with a coil

• To create electricity from wind power