Magnetostatics - The divergence and the curl of B - Ampere's law

3 important questions on Magnetostatics - The divergence and the curl of B - Ampere's law

What is amperes law?

The amperian loop always has to touch or pass th eucrrent in a certain way.

What is the B field of a solenoid?

B only has a z component. No phi component or  s component

What can be handles by amperes law for symmetry?

  • Infinte straight line
  • infinite planes
  • infinte solenoids
  • toroids

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