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प्रश्न
State the energy transformation on the following:
Electricity is obtained from wind energy.
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उत्तर
Mechanical energy into electrical energy.
संबंधित प्रश्न
A certain form of energy which is not sourced directly or indirectly from the sun and does not cause any pollution is very easily converted into electricity. This form of energy is, however, not available everywhere. Moreover, it is technically very difficult and expensive to obtain it. Name the form of energy.
Give one example to show that the sum of potential energy and kinetic energy remains constant if friction is ignored.
What is tidal? Explain in brief.
Explain the principle of producing electricity using the nuclear energy.
The following are some of the energy transformations.
A. Electrical to light
B. Work to heat
C. Chemical to light
D. Electrical to sound
E. Mechanical to electrical
Identify the energy transformation that takes place in the following by inserting the corresponding letter in the shape provided.
(i) A candle flame
(ii) A torch is lighted
(iii) A microphone is used in a meeting
(iv) A cycle dynamo
(v) A piece of metal is being filed
Write five forms of energy.
State the energy changes which take place when:
In a heat engine.
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]
Can you tell?
What are the various forms of energy?
What is meant by energy?
