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प्रश्न
Give one example when:
Electric energy changes to potential energy.
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उत्तर
When electrolysis is carried out, the electric energy changes to potential energy.
संबंधित प्रश्न
State the energy change in the following device while in use:
A glowing electric bulb.
A cyclist doubles his speed. How will his kinetic energy change: increase, decrease or remain same ?
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
A metal ball of mass 2kg is allowed to fall freely from rest from a height of 5m above the ground.
What the kinetic energy of the ball just before it hits the ground ?
Is it possible that a body may possess energy even when it is not in motion?
State two advantages and disadvantages of using nuclear energy for producing electricity.
Give one example when:
Electric energy changes to sound energy.
Give one example when:
Electrical energy to heat energy.
What is nuclear energy? Explain the principle of producing electricity using nuclear energy is a nuclear reactor.
What ts the original source of energy for the electricity produced at a thermal power station?
