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प्रश्न
Give one example when:
Electric energy changes to mechanical energy.
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उत्तर
In an electric motor, electric energy changes to mechanical energy.
संबंधित प्रश्न
Name the type of energy (kinetic or potential) possessed by the following:
A moving bus.
State the changes in form of energy while producing hydro electricity.
State two uses of solar cells.
Calculate the decrease in the kinetic energy of a moving body if its velocity reduces to half of the initial velocity.
How much hydro-electric power is generated in India?
State two advantages and two disadvantages of using hydro-energy for producing electricity.
State the energy changes which take place when:
Water stored in dams rotates turbine connected to a dynamo.
Calculate the change in the Kinetic energy of a moving body if its velocity is reduced to 1/3rd of the initial velocity.
A body is thrown vertically upwards. Its velocity keeps on decreasing. What happens to its kinetic energy as its velocity becomes zero?
Use your brain power!
Why do tablets of camphor decrease in size day by day?
