Water stored in a dam possesses ___.

no energy

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electrical energy

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kinetic energy

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potential energy

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Solution

The correct option is D
potential energy

In a dam filled with water up to a certain level there is a weight of water acting downwards (i.e $mass \times g$ ) and also the water is at a certain height $h$ . Hence recalling the formula for potential energy which is 'mgh', it is evident that it has potential energy stored in it. When the dam is opened and the water is allowed to fall out, this potential energy gets converted to kinetic energy according to the "Law of Conservation of Energy".

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Similar questions

Q. Question 8
Water stored in a dam possesses

(a) no energy
(b) electrical energy
(c) kinetic energy
(d) potential energy

Q. Water stored in a dam possesses ____ energy.

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.

State whether the given statement is True or False.

As the water stored in the dam flows out, its kinetic energy changes to potential energy.

Water stored in a dam has potential energy.

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