Physics Quiz

Shayne turned on a lamp in her room. Which of the following is the correct path of electrical power that can be traced back to the source?

• Power plant ------ transmission substations-------distribution substation--------residences.

• Transmission substations------power plants--------residences---------distribution substations.

• Residences-----distribution stations---------power plants--------transmission substations.

• Distribution substations------transmission substations-------power plants-------residences.

Transformers are used to raise the voltage along substations and lower it for residential consumption. What kind of transformer is used to raise the voltage?

• Step-up

• Step-down

• Neither of the two

• Step-up, Step-down, transformer

Which source of electricity produces the least carbon dioxide?

• Nuclear power

• Hydropower

• Coal

• Natural gas

Which of the following does not belong to the group?

• Nuclear power plant

• Geothermal power plant

• Hydroelectric power plant

• Fossil power plant

How will electricity get to a home or an apartment?

• Through air

• Through cable

• Over the power lines

• From the satellite

What energy transformation takes place in a generator?

• Heat to mechanical

• Electrical to mechanical

• Mechanical to electrical

• Chemical to mechanical

Turbines catch the wind’s energy with their propeller-like blades, which act much like an airplane wing. What type of electrical energy generation is this?

• Nuclear power plant

• Geothermal power plant

• Hydropower plant

• Wind power

Which of the following is an example of conservation of electricity.

• Turning on lights while sleeping.

• Letting water run non stop in the faucet while washing dishes.

• Unplugged unused electronics.

• Using the air conditioner for the whole day.

All of the following is an example of a renewable source of energy EXCEPT.

• Fossil Fuel

• Solar energy

• Wind energy

• Geothermal energy

All of the following is an example of a nonrenewable source of energy EXCEPT.

• Coal

• Water

• Oil

• Gas