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


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