Answer:
B
Step-by-step explanation:
The symbol of the magnetic field is given as B.
The magnetic field is a force field.
- It is a region of space where the action of the magnetic force is felt.
- The magnetic force is expressed as a non-contact force.
- One expression of this field is the geomagnetic field which covers the earth.
- The magnetic field can be produced by the action of the electric field.