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प्रश्न
State the energy changes which take place when:
During electrolysis.
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उत्तर
The electrical energy changes to chemical energy.
संबंधित प्रश्न
Define calorific value of a fuel.
Write an expression for the potential energy of a body of mass m placed at a height h above the earth's surface. State the assumptions made, if any.
What is the main source of energy for earth?
What is wind energy?
Name two examples in which the mechanical energy of a system remains constant.
Name the energy changes for the following:
electric ball
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 ?
What kind of energy is possessed in a situation when?
A stone, in a stretched catapult.
Give one example when:
Electric energy changes to potential energy.
A body of mass m is taken from a height h to 2h. What is the increase in its potential energy?
