Question

image below shows the basic construction of a hydroelectric dam. A student claims that the type of energy transformation that occurs in this system is mechanical to electrical.

Which of the following statements would best support the student's claim?

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1 point
Captionless Image
Electricity must move to travel through power lines and reach people’s homes.
The turbine must turn for electricity to flow from the generator to the power lines.
Water must flow from a higher place to a lower one for electricity to be created
The electricity flowing through the power lines has enough energy to

Answer 1

"The turbine must turn for electricity to flow from the generator to the power lines."

Explanation: the turning turbine is mechanical motion (mechanical energy) that the generator converts into electrical energy, so this statement directly supports a mechanical→electrical transformation.