Physics - Study Mode

[#841] Sources of geothermal power are
Correct Answer

(C) Both A & B

Explanation

Solution: Sources of geothermal power are water and earth's heat.

[#842] Which of the following is not a form of Energy?
Correct Answer

(D) Pressure

Explanation

Solution: Pressure is not a form of energy.

[#843] Which of the following is the second largest source of global energy?
Correct Answer

(C) Renewable Energy

Explanation

Solution: Data for 2013 shows that renewable electricity generation overtook natural gas to become the second largest source of electricity worldwide producing 22% of total electricity or 5,130 TWh. Some of the sources of renewable energy are: solar power, wind power, wave and tidal power, geothermal power, biomass and hydro power. Fossil fuels remained the bedrock of global electricity production with more than two-thirds (about 67%) of the total.

[#844] Which of the following is a renewable source of energy
Correct Answer

(C) Wind

Explanation

Solution: Some examples of renewable energy sources are solar energy, wind energy, hydro power, geothermal energy, and biomass energy.

[#845] The energy that generates wind comes from what source?
Correct Answer

(B) Solar radiation

Explanation

Solution: The energy that generates wind comes from solar radiation.