Question

What is the correct path of energy transformation when we obtain electricity to power a lamp at home from hydropower?

Question 5 options:

chemical -> heat (steam) -> mechanical + heat -> electrical + heat -> light + heat


mechanical + heat -> electrical + heat -> light + heat


gravitational (falling) -> mechanical + heat -> electrical + heat -> light + heat


wind -> mechanical + heat -> electrical + heat -> light + heat

Answer 1

Answer:

A turbine and generator produce the electricity

Answer 2

Answer:

chemical -> heat (steam) -> mechanical + heat -> electrical + heat -> light + heat