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Type: Multiple-Choice
Category: Physics
Level: Grade 12
Tags: PS2.B
Author: HTPhysics
Created: a month ago

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Grade 12 Physics

In the context of Gauss's law for magnetism, what is the significance of the statement
  1. Magnetic fields can only be produced by electric currents.
  2. Magnetic flux is conserved in a closed surface.
  3. Magnetic field lines cannot cross each other.
  4. Magnetic fields can exist without electric fields.
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