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प्रश्न
State the energy changes in the following case while in use:
an electric toaster.
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उत्तर
Electrical energy into heat energy.
संबंधित प्रश्न
State the energy change in the following device while in use:
A glowing electric bulb.
Which of the following produces more heat (per unit mass) on burning?
Name the physical quantity measured in terms of horse power.
Name the type of energy (kinetic energy K or potential energy U) possessed in the given case:
A stretched wire
What is dissipation of energy?
Name a device in which solar energy is converted into electricity state its two uses.
State the energy changes which take place when:
Burning of coal.
Give one example when:
Potential energy changes to electric energy.
Give one example when:
Electric energy changes to potential energy.
A body of mass m is taken from a height h to 2h. What is the increase in its potential energy?
