For the production of hydro- electricity water must fall from a _______.

Greater height

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Lesser height

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Both A and B

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Neither A nor B

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Solution

The correct option is A Greater height
Hydroelectricity is electricity made by generators that are pushed by movement of water which falls from greater height. It is usually made with dams that block a river to make a reservoir or collect water that is pumped there. When the water is released, the pressure behind the dam forces the water down pipes that lead to a turbine. This causes the turbine to turn, which turns a generator which makes electricity.

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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

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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.
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