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The Gauss law for electric field is valid for:
1. Any closed surface
2. Only regular closed surface
3. Any open surface
4. None of these

1 Answer

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Correct Answer - Option 1 : Any closed surface

CONCEPT:

Gauss law:

  • According to this law, the total flux linked with a closed surface called Gaussian surface is 1/ϵo times the charge enclosed by the closed surface.

\(\Rightarrow \phi=\oint \vec{E}.\vec{dA}=\frac{Q}{\epsilon_o}\)

  • This law is applicable to all the closed surfaces.

EXPLANATION:

  • According to this law, the total flux linked with a closed surface called Gaussian surface is 1/ϵo times the charge enclosed by the closed surface.
  • So, this law is applicable to all the closed surfaces. Hence, option 1 is correct.

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