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Question
In a hydroelectric power plant more electrical power can be generated if water falls from a greater height because ___
Options:
A .  temperature of water increases.
B .  large amount of potential energy is converted into kinetic energy.
C .  small amount of potential energy is converted into kinetic energy.
D .  more water molecules dissociate into ions.
Answer: Option B
:
B
In a hydroelectric power plant, more electrical power can begenerated if water falls from a greater height because more the height of water, more is the potential energy stored in it. So, the larger amount of potential energy is converted into kineticenergy. More is the kinetic energy, faster it willrotate the turbineand hence moreelectricity is generated.

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