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प्रश्न
State the energy changes which take place when:
During electrolysis.
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उत्तर
The electrical energy changes to chemical energy.
संबंधित प्रश्न
State two factors on which the kinetic energy of a moving body depends.
Give one relevant example for the following transformation of energy:
Electrical energy to mechanical energy.
Give one example to show that the sum of potential energy and kinetic energy remains constant if friction is ignored.
Name the form of energy which a body may possess even when it is not in motion. Give an example to support your answer.
Name five renewable sources of energy.
Name three non-renewable sources of energy.
State whether a solar cell produces a.c. or d.c.
How much hydroelectric power is generated in India?
State the energy changes which take place when:
A battery lighting up a bulb.
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]
