Pyq- Electromagnetic Induction & Alternating Currents L-4
Question: The net magnetic flux through any closed surface is : (NEET-2023)
A) Positive
B) Infinity
C) Negative
D) Zero
Answer: Zero
Explanation
Magnetic field exist in
Closed Loops (Monopoles do not exist)
$\phi \overrightarrow{\mathrm{B}} \cdot \mathrm{d} \overrightarrow{\mathrm{A}}=0$
(Gauss law for magnetism)