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प्रश्न
State the energy changes in the following case while in use:
An electric iron
Name the energy conversion that takes place in case of an electric iron in use.
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उत्तर
Electrical energy into heat energy.
संबंधित प्रश्न
State the energy changes that occur in the following :
The unwinding of a watch spring.
State the energy changes that occur in the following :
Burning coal while operating a steam engine.
State the energy changes that occur in the following :
Lighting of a torch bulb.
Energy can exist in several forms and may change from one form to another. State the energy changes that occur in a loaded truck when started and set in motion.
State the energy changes in the following case while in use:
loudspeaker
State the energy changes in the following case while in use:
A solar cell
State the energy changes in the following case while in use:
A petrol engine of a running car
Law of conversation of energy given by ______.
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.
Define watt. Express kilowatt in terms of joule per second. A 150 kg car engine develops 500 W for each kg. What force does it exert in moving the car at a speed of 20 ms–1?
