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प्रश्न
What is the main energy transformation that occur in:
Charging of a battery.
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उत्तर
Electric energy to chemical energy.
संबंधित प्रश्न
State two advantages of geothermal energy.
Two toy-cars A and B of masses 500 g and 200 g respectively are moving with the same speed. Which of the two has the greater kinetic energy?
State the energy transformation on the following:
Electricity is obtained from nuclear energy.
Name the energy changes for the following:
pendulum
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
Obtain an expression for the potential energy of a body of mass m at a height h above the ground.
State the energy changes which take place when:
During electrolysis.
Give one example when:
Mechanical energy changes to electric energy.
A body of mass m is taken from a height h to 2h. What is the increase in its potential energy?
