When sunlight strikes a solar cell, light of certain wavelength will knock out electrons from semiconductor, thereby producing electric current

When sunlight strikes a solar cell, light of certain wavelength will knock out electrons from semiconductor, thereby producing electric current

Answer: true

Which of the following is not used for passive heating and cooling of homes?

Which of the following is not used for passive heating and cooling of homes?

Answer: heat exchanger

Which of the following is not true about solar trough (distributed collector)?

Which of the following is not true about solar trough (distributed collector)?

Answer: boiler is used to generate steam

Ventilation utilizes radiative heat transfer to promote passive cooling

Ventilation utilizes radiative heat transfer to promote passive cooling

Answer: false

Presently, solar cells have efficiency of about

Presently, solar cells have efficiency of about

Answer: 15-20%

Electricity produced from a solar power plant can be used to meet peak load power requirements

Electricity produced from a solar power plant can be used to meet peak load power requirements

Answer: true