Question

Principle
of .
1. Hydel Power Plant
2.solar Cooker
3.Windmills
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Answer 1

Answer:

Hydropower Plant: Potential energy--> Kinetic energy--> Turbine -->Generator --> Electricity.

Solar Cooker: Solar energy--> Concave mirror--> Used for cooking.

Windmill:

When the blades rotates due to air or wind then it rotates the turbine then generator, and hence with wind energy electrical energy is produced.