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प्रश्न
Name the energy transfers which occur when :
an electric ball rings
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उत्तर
An electric bell converts electrical energy to sound energy.
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संबंधित प्रश्न
A ball of mass 0.20 kg is thrown vertically upwards with an initial velocity of 20 m s-1. Calculate the maximum potential energy it gains as it goes up.
What kind of energy is possessed by the following?
A compressed spring ____________.
Define the term 'energy' of a body. What is the SI unit of energy.
Name the device or machine which convert :
Chemical energy into electrical energy.
Name the device or machine which convert :
Light energy into electrical energy.
Name the device or machine which convert :
Electrical energy into light energy.
Name the device or machine which convert :
Heat energy into kinetic energy (or mechanical energy).
Name the device or machine which convert :
Chemical energy into heat energy.
Name the device or machine which convert :
light energy into heat energy.
The hanging bob of a simple pendulum is displaced to one extreme position B and then released. It swings towards centre position A and then to the other extreme position C. In which position does the bob have :
(i) maximum potential energy?
(ii) maximum kinetic energy?
