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what is relative permitivity

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what is relative permitivity

    • Posted by Anup Soni 6 years, 11 months ago

    CBSE > Class 12 > Physics
    • 2 answers

    Shubham Chy 6 years, 11 months ago

    The permitivity of a medium with respect to air is called relative permitivity

    1Thank You

    Yogita Ingle 6 years, 11 months ago

    Relative permittivity e(r) is defined as the ratio of absolute permittivity of a medium (e) to the absolute permittivity of free space (e0)
    e(r) = e / e0
    It can also be defined as the the ratio of forces of attraction/repulsion between two point charges separated by a certain distance in vacuum to the force of attraction when they are placed in a medium same distance apart.
    e(r) = F(o) / F(medium)Clearly relative permittivity is a unitless constant.

    2Thank You

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