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प्रश्न
Give one example when:
Potential energy changes to electric energy.
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उत्तर
The potential energy of stored water in dams, changes to electric energy in generators.
संबंधित प्रश्न
A body of mass m falls down through a height h. Obtain an expression for the work done by the force of gravity.
Name the type of energy (kinetic energy K or potential energy U) possessed in the following case:
A piece of stone placed on the roof.
Write an expression for the potential energy of a body of mass m placed at a height h above the earth's surface. State the assumptions made, if any.
State two disadvantages of producing electricity from solar energy.
What kind of energy is possessed in a situation when?
Water stored in dams.
Give three examples of bodies possessing potential energy.
State the energy changes which take place when:
Food is digested by animals.
State the energy changes which take place when:
Electricity obtained from nuclear energy.
Give one example when:
Sound energy changes to electric energy.
Can you tell?
Describe one natural chain of transformation of energy.
