Renewable Energy Sources

In a certain state, electricity is generated by using Earth's heat. Wells are drilled and natural steam is taken out through pipes. This natural steam powers the generator and electricity is generated. Which type of renewable energy resource is being used and which type of power plants are set up for harnessing this renewable resource?

Geothermal; Dry system

Residents in a certain region have proposed the use of wind energy to meet their electricity requirements. As per the plans an eggbeater type of wind turbine has been set up in that region. Which type of wind turbine is set up to help the region to produce electricity?

Vertical axis

What is the movement of air from high-pressure areas to low-pressure areas?

Wind

Which type of biomass energy is produced from vegetable oils and animal fats?

biodiesel

The organic waste collected in your backyard will provide which type of energy?

biomass energy

Water wheels convert the kinetic energy of moving water into which form?

mechanical energy

Which type of biomass energy can be produced from garbage heaps?

methane

Richard feels that the increasing use of fuels such a coal or diesel to generate electricity are leading to pollution in his neighborhood. He therefore decides to use solar energy as a source for generating electricity. Which device should Richard use?

photovoltaic cell

Mary lives in a region that is close to the equator and is very sunny. She decides to harness solar energy for various purposes. Which of the following will help Mary?

photovoltaic cells

Which energy is received from the Sun and how is this energy formed?

solar; nuclear fusion