
Distinguish between Thermal energy and Hydro electricity.
Answer
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Hint: Thermal energy is a conventional source of energy whereas Hydroelectricity is a non conventional source of energy. They both produced electricity with different mediums.
Complete answer:
Note: Thermal energy In India Thermal power plants contribute the largest proportion of electricity into the national power grid which is around 70% whereas hydroelectricity accounts for 25% of total electricity produced in India.
Complete answer:
Thermal Energy | Hydroelectricity |
Thermal energy is produced by burning coal, petroleum and Natural gas. | Hydroelectricity is produced by fast flowing water with the help of turbines. |
It uses non-renewable resources to generate electricity. | It uses renewable resources to generate electricity. |
It causes pollution. | It doesn’t cause pollution. |
It is expensive in the long run. | It is cheaper in the long run. |
High maintenance and repair cost | Less maintenance and repair cost |
Note: Thermal energy In India Thermal power plants contribute the largest proportion of electricity into the national power grid which is around 70% whereas hydroelectricity accounts for 25% of total electricity produced in India.
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