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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
How many MeV are equivalent to 1 atomic mass unit (u)?
Write an expression for the potential energy of a body of mass m placed at a height h above the earth's surface. State the assumptions made, if any.
What is meant by the renewable and non-renewable sources of energy? Distinguish between them giving two examples of weach.
What is wind energy?
How is wind energy used to produce electricity?
Explain the principle of producing electricity using the nuclear energy.
What kind of energy is possessed in a situation when?
An electron spinning around the nucleus.
Two bodies, A and B of equal mass are kept at heights 20 m and 30 m respectively. Calculate the ratio of their potential energies.
Name the type of energy (kinetic energy K or potential energy U) possessed in the following case:
A compressed spring
