In a hydroelectric power plant, more electrical power can be generated if water falls from a greater height because:

its temperature increases

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larger amount of potential energy is converted into kinetic energy

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the electricity content of water increases with heigh

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more water molecules dissociate into ions

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Solution

The correct option is B
larger amount of potential energy is converted into kinetic energy

When the height is more, more energy can be generated as there is more potential energy. This potential energy will be converted to kinetic energy when it starts falling.

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Similar questions

Q. Question 13
In a hydroelectric power plant more electrical power can be generated if water falls from a greater height because

(a) its temperature increases
(b) larger amount of potential energy is converted into kinetic energy
(c) the electricity content of water increases with height
(d) more water molecules dissociate into ions

Assertion: The amount of electric power generated in hydroelectric power plant A is more than that of hydroelectric power plant B.
Reason: The potential energy possessed by the stored water is converted into electricity.

Q. In hydroelectric power plant, more electrical power can be generated if water falls from a greater height because -

In a hydroelectric power plant, water falls at a rate of 1000 $\frac{k g}{s}$ from a height of 100m. Assuming that 50% of the energy of falling water is converted into electrical energy, calculate the power generated per second.

Question 4
In a hydro power plant
(a) Potential energy possessed by stored water is converted into electricity.
(b) Kinetic energy possessed by stored water is converted into potential energy.
(c) Electricity is extracted from water.
(d) Water is converted into steam to produce electricity.

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In a hydroelectric power plant, more electrical power can be generated if water falls from a greater height because:

The correct option is B larger amount of potential energy is converted into kinetic energy When the height is more, more energy can be generated as there is more potential energy. This potential energy will be converted to kinetic energy when it starts falling.

The correct option is B
larger amount of potential energy is converted into kinetic energy

When the height is more, more energy can be generated as there is more potential energy. This potential energy will be converted to kinetic energy when it starts falling.