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Calculate the force between two charges …

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Calculate the force between two charges each of 20micro coulombs in a medium of relation permittivity 4.the distance between the two charges is 40cm.

    • Posted by Suman Kumar 6 years, 5 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Simmi Sharma 6 years, 5 months ago

    Q= 20×20×10^-6× 10^-6c.... permittivity =4 r=40cm=0.4m. F=9×10^9×20×20×10^-6×10-6÷0.4×0.4 = 3600×10^9-12÷0.4×0.4 3600×10-3/0.4×0.4 3600×10-3 3.6.

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