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How will you convert SI unit of enregy (...

How will you convert SI unit of enregy (Joule) to CGS unit of energy (erg)?

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`1 J= 10^(7) `ergs
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What is the Si unit of energy?

(a) Derive the relation between commercial unit of energy (kWh) and SI unit of energy (joule). (b) A certain household consumes 650 units of electricity in a month. How much is this electricity in joules ?

Knowledge Check

  • SI unit of energy is:

    A
    `kg m^(2)s^(-2)`
    B
    `kg m^(-1)s^(2)`
    C
    `kg m^(2)s^(-1)`
    D
    `kg m^(2)s^(2)`

  • The ratio of SI units to CGS units of energy

    A
    `10^(5)`
    B
    `10 ^(6)`
    C
    `10^(7)`
    D
    `10^(-7)`

  • The S.I. unit of heat energy is

    A
    Joule
    B
    Calorie
    C
    kilo calorie
    D
    none of these

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