A cube has sides of length L = 0.300 š. It is placed with one corner at the origin as shown in the
figure. The electric field is not uniform, but it is given by āE=(ā5.00NCā1)x^i+(3.00NCā1)z^k.
The surfaces that have zero flux are
A
S2,S4 and S5
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B
S1,S3,S4 and S6
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C
S1,S2 and S3
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D
S2,S3 and S4
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Solution
The correct option is BS1,S3,S4 and S6 For surface z=0 on xy plane,
Normal →S4=l2(−^k)