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प्रश्न
State the energy changes in the following case while in use:
an electric bulb
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उत्तर
Electrical energy into light energy
संबंधित प्रश्न
Give one relevant example for the following transformations of energy:
Chemical energy to heat energy.
A body of mass m is moving with a velocity v. Write the expression for its kinetic energy.
Why using wood as fuel is not advisable although wood is a renewable source of energy?
How is wind energy used to produce electricity?
State the energy transformation on the following:
Electricity is obtained from nuclear energy.
Give one example when:
Electrical energy to heat energy.
Show that in case of a body falling freely under gravity, total mechanical energy remains conserved (neglect air resistance).
In a hydroelectric power station, 1000 kg of water is allowed to drop through a height of 100 m in 1 sec. If the conversion of potential energy to electric energy is 60%. Calculate the power output. [Take: g = 10m/sec2]
Use your brain power!
How do we save fuel by using public transport?
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