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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 loudspeaker
State two disadvantages of geothermal energy.
Fill in the blank
Energy possessed by a compressed spring is ______ energy.
Select the correct alternatives
A ball rolling on the ground possesses
Name the form of energy which a body may possess even when it is not in motion. Give an example to support your answer.
A ball of mass 0.5 kg slows down from a speed of 5m/s-1 to that of 3m/s-1. Calculate the change in kinetic energy of the ball.
Write the type of energy possessed in the following case:
A bent bow
State the energy changes which take place when:
A car moves up a hill.
A body is thrown vertically upwards. Its velocity keeps on decreasing. What happens to its kinetic energy as its velocity becomes zero?
A body of mass m is taken from a height h to 2h. What is the increase in its potential energy?
