Which of the following scientific principles is mainly behind the generation…

PYQ SSC JE (Junior Engineer) 2021

Which of the following scientific principles is mainly behind the generation of hydroelectric power?

  1. A.

    Conversion of gravitational potential energy into thermal energy

  2. B.

    Conversion of gravitational potential energy into electrical energy

  3. C.

    Conversion of electrical energy into kinetic energy

  4. D.

    Conversion of gravitational energy into electrical energy

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