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प्रश्न
Fill in the blank with suitable word:
The electricity meter installed in our homes measure electrical energy in the units of ___________.
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उत्तर
The electricity meter installed in our homes measure electrical energy in the units of kilowatt- hour.
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संबंधित प्रश्न
State the condition under which the mechanical energy is conserved.
State whether the object possess kinetic energy, potential energy, or both :
A stretched spring lying on the ground ____________.
Fill in the blank with suitable word :
The sum of the potential and kinetic energies of a body is called __________ energy.
Give two examples where a body possesses both, kinetic energy as well as potential energy.
Define the term 'energy' of a body. What is the SI unit of energy.
What are the various forms of energy?
Name the device or machine which convert :
Chemical energy into electrical energy.
Name the device or machine which convert :
Chemical energy into kinetic energy (or mechanical energy).
In the case of negative work, the angle between the force and displacement is
A girl is carrying a school bag of 3 kg mass on her back and moves 200 m on a levelled road. The work done against the gravitational force will be (g = 10 m s–2)
