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प्रश्न
Give one example when:
Electric energy changes to potential energy.
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उत्तर
When electrolysis is carried out, the electric energy changes to potential energy.
संबंधित प्रश्न
Explain how, geothermal energy is used to generate electricity.
Define the term kinetic energy. Give one example of a body which possesses kinetic energy.
State two factors on which the kinetic energy of a moving body depends.
Select the renewable and non-renewable sources of energy from the following:
Diesel
A hydroelectric power station takes its water from a lake whose water level is 50 m above the turbine. Assuming an overall efficiency of 40%, calculate the mass of water which must flow through the turbine each second to produce power output of 1 MW. (Take g = 10 m s−2).
A ball of mass 0.5 kg slows down from a speed of 5m/s-1 to that of 3m/s-1. Calculate the change in kinetic energy of the ball.
Give three examples of bodies possessing kinetic energy.
What is dissipation of energy?
Give one example when:
Electric energy changes to mechanical energy.
Use your brain power!
How do we save fuel by using public transport?
