Use the diagram to answer the question.

The water in the dam is stored at the top. This stored water flows into the turbine, causing it to rotate. The turbine, in turn, rotates the shaft of a generator that produces electricity.

The turbines can be seen inside this hydroelectric dam. Why are they located at that particular height?

(1 point)
Responses

There is a small drop, so the water will still have a lot of potential energy to transfer to the turbine.
There is a small drop, so the water will still have a lot of potential energy to transfer to the turbine.

There is a large drop, so the water will have a lot of kinetic energy to transfer to the turbine.
There is a large drop, so the water will have a lot of kinetic energy to transfer to the turbine.

There is a large drop, so the water will have a lot of potential energy to transfer to the turbine.
There is a large drop, so the water will have a lot of potential energy to transfer to the turbine.

There is a small drop, so the water will still have a lot of kinetic energy to transfer to the turbine.

1 answer

The correct response is:

There is a large drop, so the water will have a lot of potential energy to transfer to the turbine.

This is because the potential energy of the stored water is highest at the top of the dam, and as it flows down to the turbines, that potential energy is converted into kinetic energy, which is what drives the turbines and ultimately generates electricity.