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प्रश्न
State the energy changes in the following case while in use:
An electric cell in a circuit
उत्तर
Chemical energy to electrical energy.
संबंधित प्रश्न
Fill in the blank
Green plants convert _________ energy into chemical energy.
Energy can exist in several forms and may change from one form to another. State the energy changes that occur in a car going uphill.
Energy can exist in several forms and may change from one form to another. State the energy changes that occur in respiration.
State the energy changes in the following case while in use:
Washing machine
State the energy changes in the following case while in use:
A petrol engine of a running car
A metal ball of mass 2 kg is allowed to fall freely from rest from a height of 5 m above the ground. What happens to the mechanical energy after the ball hits the ground and comes to rest ?
State the law of conservation of energy.
Can any object have mechanical energy even if its momentum is zero? Explain.
Is it possible that an object is in a state of accelerated motion due to external force acting on it, but no work is being done by the force? Explain it with an example.
For burning of coal in a thermoelectric station, the energy conversion taking place is:
