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1. |
In a thermal power station, coal is used for the generation of electricity. How energy changes from one form to another before it is transformed into electrical energy? |
A. | Heat energy->Mechanical energy->Electrical energy |
B. | Heat energy->Electrical energy->Mechanical energy |
C. | Mechanical energy->Heat energy->Electrical energy |
D. | Electrical energy->Heat energy->Mechanical energy |
Answer» B. Heat energy->Electrical energy->Mechanical energy | |