Science and Technology › Renewable Energy Technology

With reference to technology for solar power production, consider the following statements:
1. ‘Photovoltaics’ is a technology that generates electricity by direct conversion of light into electricity, while ‘Solar Thermal’ is a technology that utilizes the Sun’s rays to generate heat which is further used in electricity generation process.
2. Photovoltaics-generates Alternating Current (AC), while Solar Thermal generates Direct Current (DC).
3. India has manufacturing base for Solar Thermal technology, but not for photovoltaics.
Select the correct answer using the code given below:

Recently, “oilzapper’’ was in the news. What is it?

Microbial fuel cells are considered a source of sustainable energy. Why? 1. They use living organisms as catalysts to generate electricity from certain substrates.
2. They use a variety of inorganic materials as substrates.
3. They can be installed in wastewater treatment plants to cleanse water and produce electricity.

Which of the following pairs in respect of power generation in India is/are correctly matched?
1. Installed electricity generation capacity: 100000 MW
2. Electricity generation: 660 billion kWh.