Physics I / Magnetic Field and Ampere's Law
Practice question · True or false

Magnetic field lines always form closed loops (they have no beginning or end).

Hints
  1. Ask whether an isolated magnetic pole has ever been found.
  2. Field lines can only end where a source of that kind exists.
Show the answer

True

Why

B\nabla \cdot B = 0: no magnetic monopoles exist, so field lines are always closed.

Read the lesson: Magnetic Field and Ampere's Law →

Practise Magnetic Field and Ampere's Law

The app has 9 more questions on this lesson, and keeps your place in the course. Physics I is free to start.

More questions on Magnetic Field and Ampere's Law