Official Answer Key & Detailed Solution
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Correct Answer: Option (A) — 1 only
Concept & Option Breakdown
Standard Reference VerifiedStatement 1 is correct: Solar Photovoltaics directly convert photons to electricity via the photoelectric effect, whereas Concentrated Solar Thermal uses solar heat to drive a steam turbine generator.
Statement 2 is incorrect: Photovoltaic cells generate Direct Current (DC), which is converted to AC via an inverter. Solar thermal systems drive conventional turbine alternators producing Alternating Current (AC).
Statement 3 is incorrect: India has manufacturing capabilities for both Solar Photovoltaics and Solar Thermal technologies.
Statement 2 contains a classic UPSC swap: PV produces DC natively, while rotary thermal generators produce AC natively.
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