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17 February, 13:10

Two large metal plates of area 0.88 m2 face each other, 4.8 cm apart, with equal charge magnitudes but opposite signs. The field magnitude E between them (neglect fringing) is 80 N/C. Find |q|.

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  1. 17 February, 15:02
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    q=6.22*10^-10C

    Explanation:

    Two large metal plates of area 0.88 m2 face each other, 4.8 cm apart, with equal charge magnitudes but opposite signs. The field magnitude E between them (neglect fringing) is 80 N/C. Find |q|

    E=α/∈, electric field within the plate

    α=q/A

    A=area of the plate

    ∈=is the permittivity

    substituting, we have

    The field magnitude E between them (neglect fringing)

    E=q/A∈

    q=EA∈

    q=0.88*80*8.84*10^-12

    q=6.22*10^-10C
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