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The Gaussian surface is

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in Electromagnetic Theory by (188k points)
The Gaussian surface is

(a) Real boundary

(b) Imaginary surface

(c) Tangential

(d) Normal

I have been asked this question in class test.

The query is from Electric Field Density in portion Electrostatic Fields of Electromagnetic Theory

1 Answer

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Best answer
The correct choice is (b) Imaginary surface

Easy explanation: It is any physical or imaginary closed surface around a charge which satisfies the following condition: D is everywhere either normal or tangential to the surface so that D.ds becomes either Dds or 0 respectively.

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