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प्रश्न
Give one example when:
Sound energy changes to electric energy.
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उत्तर
When we speak in front of the microphone, sound energy changes to electric energy.
संबंधित प्रश्न
Give one relevant example for the following transformation of energy:
Electrical energy to heat energy.
A ball is made to fall freely from a height. State the kind/ kinds of energy possessed by the ball when it is just in the middle .
State the energy changes in the following case while in use:
a ceiling fan
Name five renewable sources of energy.
State whether a solar cell produces a.c. or d.c.
State the energy transformation on the following:
Electricity is obtained from wind energy.
State two advantages and disadvantages of using nuclear energy for producing electricity.
Give one example when:
Electric energy changes to potential energy.
A girl of mass 35 kg climbs up from the first floor of a building at a height 4 m above the ground to the third floor at a height 12 m above the ground. What will be the increase in her gravitational potential energy? [g = 10 ms-2]
Nuclear fission is
