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प्रश्न
Give one example when:
Electric energy changes to sound energy.
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उत्तर
When a loudspeaker works, the electric energy changes to sound energy.
संबंधित प्रश्न
Name the form of mechanical energy, which is put to use.
State whether a solar cell produces a.c. or d.c.
State two disadvantages of producing electricity from solar energy.
How is wind energy used to produce electricity?
State the energy transformation on the following:
Electricity is obtained from wind energy.
Renewable source of energy is:
Name the energy changes for each of the following cases:
dynamo
Give two examples each of renewable and non-renewable sources of energy?
State the energy changes which take place when:
An air gun is loaded and then fired.
A body of mass m falls from a height h1 to a height h2, above the ground (h1 > h2). What is the loss of potential energy?
