Electrical Green and Renewable Technology

A Solar cell is an electrical device that converts the energy of light directly into electricity by the ____________

• Photovoltaic effect

• Chemical effect

• Atmospheric effect

• Physical effect

Tags

NGSS.HS-PS3-3

Which among the following have a large amount of installed grid interactive renewable power capacity in India?

• Wind power

• Solar power

• Biomass Power

• Small Hydro power

_____________ power is electricity produced by flowing water.

• Solar 

• Wind 

• Hydroelectric 

• water

Tags

NGSS.MS-ESS2-4

Select the statements true for Horizontal Axis Wind Turbines (More than One Option)

• Their axis of rotation vertical to the ground.

• The generator and gearbox of these turbines are placed in ground.

• Need for the tail or yaw drive to orient the turbine towards wind.

• Relatively high power coefficient.

Tags

NGSS.HS-ETS1-1

NGSS.HS-ETS1-3

NGSS.HS-PS3-3

Solar power is different to the other primary energy sources because it

• does not require a turbine to produce electricity

• it is a renewable energy source

• it does not produce carbon dioxide

• it can be used to produce electricity or thermal energy

What are advantages of wind energy? Check all that apply.

• clean energy

• nonrenewable

• renewable

• generate most of the electricity in the U.S.

What is the primary advantage of using solar panels in renewable energy systems?

• Low maintenance costs

• High energy density

• Dependence on weather conditions

• Limited availability of materials

Which of the following is a common material used in the construction of wind turbine blades?

• Steel

• Aluminum

• Carbon fiber

• Copper

In a hydroelectric power plant, what is the role of the turbine?

• To convert kinetic energy into electrical energy

• To store water for future use

• To regulate the flow of water

• To measure the water pressure

Which gas is primarily responsible for the greenhouse effect and is reduced by using renewable energy sources?

• Oxygen

• Carbon dioxide

• Nitrogen

• Helium

Tags

NGSS.MS-ESS3-5