The displacement flux density at a point on the surface of a perfect conductor i

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Question
The displacement flux density at a point on the surface of a perfect conductor is = 2(a_x - 3 a_z)c/m² pointing away from the surface. The charge density at that point c/m² will be
Options
A. 2
B. - 2
C. 4
D. - 4

Correct Answer

4

Explanation

? . D = r.

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