Advertisements
Advertisements
प्रश्न
Energy can exist in several forms and may change from one form to another. State the energy changes that occur in the Charging of a battery.
उत्तर
Electrical energy changes into chemical energy.
APPEARS IN
संबंधित प्रश्न
State the energy changes that occur in the following :
The unwinding of a watch spring.
Energy can exist in several forms and may change from one form to another. State the energy changes that occur in respiration.
Energy can exist in several forms and may change from one form to another. State the energy changes that occur in the burning of a match stick.
Energy can exist in several forms and may change from one form to another. State the energy changes that occur in the Explosion of crackers.
State the energy changes in the following case while in use:
Burning coal
State the energy changes in the following case while in use:
A solar cell
State the law of conservation of energy.
Explain conservation of energy.
Law of conversation of energy given by ______.
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?
