Wind energy comes from which natural source?
Answer and explanation
Correct answer: Wind
The governing concept is the conversion of kinetic energy into electrical energy. Moving air possesses kinetic energy; when it flows across turbine blades, the blades rotate. The rotating shaft drives a generator, which converts mechanical energy into electricity. Thus, option D is correct because wind is the natural source directly used by a wind turbine. Coal and natural gas are fossil fuels used in combustion-based power generation, not the source described here. Sunlight is the source of solar energy, although uneven heating by sunlight helps create winds. Wind is therefore classified as a renewable energy source when managed appropriately.
Frequently asked questions
What is the correct answer to this question?
Wind
Why is this the correct answer?
The governing concept is the conversion of kinetic energy into electrical energy. Moving air possesses kinetic energy; when it flows across turbine blades, the blades rotate. The rotating shaft drives a generator, which converts mechanical energy into electricity. Thus, option D is correct because wind is the natural source directly used by a wind turbine. Coal and natural gas are fossil fuels used in combustion-based power generation, not the source described here. Sunlight is the source of solar energy, although uneven heating by sunlight helps create winds. Wind is therefore classified as a renewable energy source when managed appropriately.
Which subject and chapter does this question cover?
This is a Class 11 Artificial Intelligence question. Chapter: Employability Skills. Topic: Unit 5: Green Skills - IV.
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