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प्रश्न
State the energy changes which take place when:
Water stored in dams rotates turbine connected to a dynamo.
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उत्तर
The potential energy of stored water changes to kinetic energy of flowing water, The kinetic energy of the flowing water rotates turbine. The turbine, in turn, rotates the coil of the generator and changes into electric energy.
संबंधित प्रश्न
State two advantages of geothermal energy.
Give one relevant example for the following transformation of energy :
Electrical energy to light energy.
Why using wood as fuel is not advisable although wood is a renewable source of energy?
Name the energy changes for each of the following cases:
dynamo
Write the type of energy possessed in the following case:
A falling apple
Give one example when:
Kinetic energy changes to heat energy.
Give one example when:
Potential energy changes to electric energy.
Give one example when:
Chemical energy to electrical energy.
Name the type of energy (kinetic energy K or potential energy U) possessed in the following case:
A moving cricket ball
