Advertisements
Advertisements
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
Advertisements
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
APPEARS IN
संबंधित प्रश्न
State the energy transformation on the following:
Electricity is obtained from wind energy.
Two bodies A and B of masses m and M (M ≫ m) have same kinetic energy. Which body will have more momentum?
What do you understand by the potential energy of the body?
Give three examples of bodies possessing kinetic energy.
State the energy changes which take place when:
Water freezes in the freezing chamber of a fridge.
State the energy changes which take place when:
Photographic film is exposed to sunlight.
Give one example when:
Sound energy changes to electric energy.
Give one example when:
Mechanical energy to heat energy.
Find out the types of energy from the following puzzle.
