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प्रश्न
State the energy changes in the following case while in use:
A glowing electric bulb
उत्तर
Electrical energy to light and heat energy.
संबंधित प्रश्न
State the energy changes in the following case while in use:
A ceiling fan
State the energy changes in the following while using a microphone.
State the energy changes that occur in the following :
Burning coal while operating a steam engine.
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:
Microphone
State the law of conservation of energy.
Explain conservation of energy.
Law of conversation of energy given by ______.
Can any object have momentum even if its mechanical energy is zero? Explain
Four men lift a 250 kg box to a height of 1 m and hold it without raising or lowering it.
(a) How much work is done by the men in lifting the box?
(b) How much work do they do in just holding it?
(c) Why do they get tired while holding it? (g = 10 m s–2)
