Electric flux through a closed surface does not depend on its size

This type of question, asked 4 times: May 2022 S1, 4 May 2023 S2, 9 May 2023 S2, 11 Apr 2026 S2. All 4 questions below, oldest first.

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Question 1
May 2022 S1
27 $If the radius of the spherical Gaussian surface is increased then the electric flux due to a point charge enclosed by the surface$
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Question 2
4 May 2023 S2
5 $A spherical rubber balloon carries a charge, uniformly distributed over the surface. As the balloon is blown up and increases in size, the total electric flux coming out the surface$
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Question 3
9 May 2023 S2
19 $\phi$
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Question 4
11 Apr 2026 S2
125 $If the radius of the spherical Gaussian surface is increased then the electric flux due to a point charge enclosed by the surface$
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Question 1