| 1. Photovoltaics is a technology that generates electricity by direct conversion of light into electricity, while Solar Thermal is a technology that utilises 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. |
| Which of the statement(s) given above is/are correct? |
A) 1 only
B) 2 and 3 only
C) 1, 2 and 3
D) None
Correct Answer: A
Solution :
[a] Photovoltaics refers to a technology which converts light into electricity using semiconducting materials that exhibit photovoltaic effect. Solar cells produce direct current electricity from sunlight. On the other hand, Solar Thermal technology works on the principle of converting solar energy into heat energy which can further be used for electricity generation
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