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प्रश्न
Name the energy transfers which occur when : a torch is on
उत्तर
A torch converts electrical energy of the battery into light and heat energy.
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संबंधित प्रश्न
Show that the sum of kinetic energy and potential energy (i.e., total mechanical energy) is always conserved in the case of a freely falling body under gravity (with air resistance neglected) from a height h by finding it when
- The body is at the top.
- the body has fallen a distance x.
- the body has reached the ground.
Is energy a vector quantity?
What kind of energy is possessed by the following?
A stone kept on roof-top _______________
What type of energy is possessed : by the piece of stone which is thrown away on releasing the stretched rubber strings of catapult?
Give two examples where a body possesses both, kinetic energy as well as potential energy.
Name the device or machine which convert :
Chemical energy into kinetic energy (or mechanical energy).
How much electric energy in kWh is consumed by an electrical appliance of 1000 watts when it is switched on for 60 minutes?
Which one of the following is not the unit of energy?
How much energy does a 100 W electric bulb transfer in 1 minute?
The device which converts mechanical energy into energy which runs our microwave oven is :
