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MHT CET 2024 (4 May, Shift 2) · Electric Flux & Gauss's Law

Electric Flux & Gauss's Law question from MHT CET 2024 (4 May, Shift 2)

Q40MHT CET 2024 · 4 MAY · SHIFT 2Easy

Electric Flux & Gauss's Law

Two surfaces A and B are enclosing the charges as shown below. The total normal electric induction (T.N.E.I) through the surfaces A and B are respectively.

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Answer: (c)

T.N.E.I. through a closed surface equals the net charge enclosed ( $\oint \varepsilon_0\vec E\cdot d\vec A = q_{enc}$ ).
Surface A encloses $+2q$ and $-q$ : $+q$ .
Surface B encloses $+3q$ and $-q$ : $+2q$ .
So the answer is (c) $+q$ and $+2q$ .

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