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Work and Energy...

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  • Question 1
    1 / -0

    A lamp rated $$20W$$ and an electric iron rated $$50W$$ are used for $$2$$ hour everyday. Calculate the total energy consumed in $$20 $$ days.

  • Question 2
    1 / -0

    Number of KWh in 1 Joule.

  • Question 3
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    Which of these units of energy is the largest?

  • Question 4
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    In which form, the energy is stored in a fuel?

  • Question 5
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    Which one of the following energies cannot be possessed by a body at rest?

  • Question 6
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    A freely falling object eventually stops on reaching ground. What happens to its potential and kinetic energy while falling?

  • Question 7
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    What is practical unit of power?

  • Question 8
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    A certain household has consumed $$250$$ units of energy during a month. How much energy is this in joules?

  • Question 9
    1 / -0

    Find energy in kWh consumed in 10 hours by four devices of power $$500\ W$$ each?

  • Question 10
    1 / -0

    Smallest commercial unit of energy is

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