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प्रश्न
Name the energy transfers which occur when :
an electric ball rings
उत्तर
An electric bell converts electrical energy to sound energy.
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संबंधित प्रश्न
A pendulum is oscillating on either side of its rest position. The correct statement is:
State whether the object possess kinetic energy, potential energy, or both :
A flying aeroplane _______________.
Fill in the blank with suitable word :
The sum of the potential and kinetic energies of a body is called __________ energy.
What type of energy is possessed : by the piece of stone which is thrown away on releasing the stretched rubber strings of catapult?
Two bodies having equal masses are moving with uniform speeds of v and 2v respectively. Find the ratio of their kinetic energies.
An iron sphere of mass 10 kg has the same diameter as an aluminium sphere of mass 3.5 kg. Both the spheres are dropped simultaneously from a tower. When they are 10 m above the ground, they have the same :
Name the device or machine which convert :
Electrical energy into heat energy.
Name the device or machine which convert :
Electrical energy into sound energy.
What do you understand by the term 'transformation of energy"? Explain with an example.
How much energy does a 100 W electric bulb transfer in 1 minute?
