q1, q2, q3 and q4 are point charges located at points as shown in the figure and S is a spherical Gaussian surface of radius R. Which of the following is true according to the Gauss’s law (1) ${\oint }_{s}\left({\stackrel{\to }{E}}_{1}+{\stackrel{\to }{E}}_{2}+{\stackrel{\to }{E}}_{3}\right).d\stackrel{\to }{A}=\frac{{q}_{1}+{q}_{2}+{q}_{3}}{2{\epsilon }_{0}}$

(2) ${\oint }_{s}\left({\stackrel{\to }{E}}_{1}+{\stackrel{\to }{E}}_{2}+{\stackrel{\to }{E}}_{3}\right).d\stackrel{\to }{A}=\frac{\left({q}_{1}+{q}_{2}+{q}_{3}\right)}{{\epsilon }_{0}}$

(3) ${\oint }_{s}\left({\stackrel{\to }{E}}_{1}+{\stackrel{\to }{E}}_{2}+{\stackrel{\to }{E}}_{3}\right).d\stackrel{\to }{A}=\frac{\left({q}_{1}+{q}_{2}+{q}_{3}+{q}_{4}\right)}{{\epsilon }_{0}}$

(4) None of the above

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Concept Questions :-

Gauss law
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