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    Question

    src="https://www.ixambee.com/questionimage/AAI-JE-Air-Traffic-Controller/1656149189-AAIJEATCMT01006.png" alt="" />
    A i Correct Answer Incorrect Answer
    B ii Correct Answer Incorrect Answer
    C iii Correct Answer Incorrect Answer
    D iv Correct Answer Incorrect Answer

    Solution

    Net electric flux (ΦNet) through cubic surface is, ΦNet = q/∈0 ∈0 = 8.854 × 10-12N-1C2m-2 q = Net charge contained inside the cube = 4.0μC = 4 × 10-6 Therefore, Φ = (4 × 10-6)/(8.854 × 10-12) = 4.52 × 105 Nm2C-1

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