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प्रश्न
Name the energy changes for each of the following cases:
dynamo
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उत्तर
A dynamo converts mechanical energy into electrical energy
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संबंधित प्रश्न
Write true or false of the following statement.
The energy of flowing water can be converted into electric energy (electricity).
Give one example of a body that has potential energy, in due to its state.
Give one example to show the conversion of potential energy to kinetic energy when put in use.
Select the renewable and non-renewable sources of energy from the following:
Coal
Select the renewable and non-renewable sources of energy from the following:
Oil
State whether a solar cell produces a.c. or d.c.
Identify the type of energy possessed by the body in each of the following:
(a) A coiled spring of the toy car
(b) A hammer which is raised
(c) A stone shot from a catapult
(d) Water stored in the overhead tank
(e) A tadpole moving in water.
What do you understand by the kinetic energy of the body?
State the energy changes which take place when:
An air gun is loaded and then fired.
Energy from various sources is considered to have been derived from the sun. Do you agree? Justify your answer.
