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प्रश्न
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
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उत्तर
(i) A candle flame - (C). Chemical to light
(ii) A torch is lighted - (A). Electrical to light
(iii) A microphone is used in a meeting - (D). Electrical to sound
(iv) A cycle dynamo - (E). Mechanical to electrical
(v) A piece of metal is being filed - (B). Work to heat
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संबंधित प्रश्न
State two advantages of geothermal energy.
Name five different forms of energy.
Name the type of energy (kinetic or potential) possessed by the following:
A stone at rest on the top of a building.
Give one example to show the conversion of potential energy to kinetic energy when put in use.
What do you understand by the kinetic energy of a body?
Select the renewable and non-renewable sources of energy from the following:
Water
What is tidal? Explain in brief.
What is ocean? Explain in brief.
Name the energy changes for the following:
bicycle brakes
Geothermal energy is:
