How do you find the direction of a magnetic field lines?

What is the direction of magnetic field lines?

How can you find the direction of the magnetic moment?

Observe the depiction of magnetic fields of two types of magnets. How can you identify the direction of the magnetic fields ?

Show magnetic field lines for current carrying loop. Write rule for finding the direction of a magnetic field due to a circular current loop.

Various laws to find the direction of magnetic field in a conductor.

What are magnetic field lines ? How is the direction of a magnetic field at a point determined ?