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प्रश्न
Select the correct alternatives
When a bulb lights up on passing current, the change of energy is
विकल्प
from electrical energy to heat energy
from electrical energy to light energy
from electrical energy to heat and light energy
from electrical energy to mechanical energy.
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उत्तर
from electrical energy to heat and light energy
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संबंधित प्रश्न
Write true or false of the following statement.
Potential energy changes into kinetic energy when it is put to use
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Answer the following in a word or two or in a sentence.
Write the formula for calculating the efficiency of a machine.
Answer the following in short.
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When a body falls freely towards the earth, then its total energy
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