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प्रश्न
What is the disadvantage of solar energy?
विकल्प
A large surface area is required to collect the solar.
Daily average of solar energy varies from 4 to 7 kWh/m2.
Highly hazardous toxic material is used in the manufacturing of solar devices.
All of the above are disadvantages.
MCQ
उत्तर
All of the above are disadvantages.
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