Loading...
UPSC 2014: With reference to technologies 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. Which of the statements given above is/are correct?
(a)1 only
(b)2 and 3 only
(c)1, 2 and 3
(d)None
Attempt This Question
Not attemptedCorrect Answer: (a) 1 only
Photovoltaic (PV) technology converts sunlight directly into electricity (initially as direct current), whereas solar-thermal plants use sunlight to produce heat that is later converted to electricity—so statement 1 is correct. PV modules generate DC that is later inverted to AC, while solar-thermal plants ultimately generate AC through turbines; thus statement 2 is incorrect. India already has a growing PV manufacturing ecosystem (PLI scheme) but very limited solar-thermal manufacturing, making statement 3 incorrect. Hence only statement 1 is true (option a). ([energy.gov](https://www.energy.gov/eere/solar/solar-integration-inverters-and-grid-services-basics?utm_source=openai))
Related Current Affairs
Related UPSC Questions
More from Energy & Environment
2014moderate
In India, cluster bean (Guar) is traditionally used as a vegetable or animal feed, but recently the cultivation of this has assumed significance. Whic
2015moderate
With reference to 'fuel cells' in which hydrogen-rich fuel and oxygen are used to generate electricity, consider the following statements: 1. If pure
2012moderate
To meet its rapidly growing energy demand, some opine that India should pursue research and development on thorium as the future fuel of nuclear energ
Related Science & Technology Topics
2014Biology
Which of the following phenomena might have influenced the evolution of organisms? 1. Continental drift 2. Glacial cycles Select the correct answer us
2014Defence Technology
With reference to Agni-IV Missile, which of the following statements is/are correct? 1. It is a surface-to-surface missile. 2. It is fuelled by liquid
Frequently Asked Questions
What is the correct answer to this UPSC 2014 Science & Technology question?▼
The correct answer is option (a): 1 only. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
Which year was this Energy & Environment question asked in UPSC Prelims?▼
This question was asked in UPSC CSE Prelims 2014, GS Paper 1, as Question 7. It falls under Science & Technology > Energy & Environment.
What is the difficulty level of this UPSC question?▼
This question is rated "moderate". It requires sound conceptual understanding of the topic.
How many UPSC Prelims questions have been asked from Energy & Environment?▼
UPSC has asked 48 questions from Energy & Environment (under Science & Technology) across multiple years. Visit the topic page to see the full list and year-wise trends.