Among the following the incorrect Maxwells Electromagnetic equation is

Among the following the incorrect Maxwells Electromagnetic equation is
  1. $\oint \overrightarrow{\mathrm{B}} \cdot \mathrm{d} \vec{\ell}=\mu_{\mathrm{o}} \mathrm{i}_{\mathrm{c}}+\mu_{\mathrm{o}} \varepsilon_{\mathrm{o}} \frac{\mathrm{d} \phi_{\mathrm{E}}}{\mathrm{dt}}$
  2. $\oint \overrightarrow{\mathrm{B}} \cdot \mathrm{d} \overrightarrow{\mathrm{A}}=\frac{\mathrm{Q}}{\varepsilon_{\mathrm{o}}}$
  3. $\oint \overrightarrow{\mathrm{E}} \cdot \mathrm{d} \vec{\ell}=\frac{-\mathrm{d} \phi_{\mathrm{B}}}{\mathrm{dt}}$
  4. $\oint \overrightarrow{\mathrm{E}} \cdot \mathrm{d} \overrightarrow{\mathrm{A}}=\frac{\mathrm{Q}}{\varepsilon_{\mathrm{o}}}$

Solution

Gauss law in magnetism states that $\oint \overrightarrow{\mathrm{B}} \cdot \mathrm{d} \overrightarrow{\mathrm{a}}=0$ So, $\oint \overrightarrow{\mathrm{B}} \cdot \mathrm{d} \overrightarrow{\mathrm{a}}=\frac{\mathrm{Q}}{\varepsilon_0}$ is incorrect

Asked in: AP EAMCET 2022 (06 Jul Shift 1)

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