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MHT CET 2020 (16 Oct, Shift 2) · Electric Flux & Gauss's Law

Electric Flux & Gauss's Law question from MHT CET 2020 (16 Oct, Shift 2)

Q90MHT CET 2020 · 16 OCT · SHIFT 2Easy

Electric Flux & Gauss's Law

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 of the surface

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Answer: (b)

Total flux through the balloon surface $= \dfrac{q}{\varepsilon_0}$ , where $q$ is the charge on it.
Blowing up the balloon changes its size, not its charge.
So the answer is (b) remains unchanged.

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