Zero net flux through a closed surface means the charge inside is:
ANet negative
BNet positive
CExactly zero
DVery large
Answer & Solution
Correct answer: C. Exactly zero
1. Gauss's law ties flux directly to enclosed charge.
2. If the flux vanishes, so must that charge.
3. So the total charge contained is zero.
_Source: NCERT Class 12 Physics Part I, Chapter 1, Electric Charges and Fields._
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