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four charges +4 micro coulomb, -2 …

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four charges +4 micro coulomb, -2 micro coulolb,+2 micro coulomb and -4 micro coulomb are placed at corners of A,B,C,D of a sqaure of side length 20 cm

    • Posted by Ishika Malhotra 6 years, 3 months ago

    CBSE > Class 12 > Physics
    • 1 answers

    Adi Kumar 6 years, 3 months ago

    The electric field at the centre is zero

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