What are the two main ways of generating electricity? How are they different from each other? Explain.
What are the two main ways of generating electricity? How are they different from each other? Explain.
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| S.No. | Thermal Electricity | Hydro Electricity |
| (i) | It is obtained by using coal, petroleum and natural gas. | It is produced from water. |
| (ii) | It is a non-renewable resource. | It is renewable. |
| (iii) | It causes pollution. | It does not cause pollution |
| (iv) | It is expensive in the long run. | It is cheaper in the long run. |
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