Question 13
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 height

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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
Hydro-electric power plants convert the kinetic energy contained in falling water into electricity by passing on this energy of water to rotate turbine.

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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.

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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Question 13 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 energyHydro-electric power plants convert the kinetic energy contained in falling water into electricity by passing on this energy of water to rotate turbine.

Question 13
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
Hydro-electric power plants convert the kinetic energy contained in falling water into electricity by passing on this energy of water to rotate turbine.