Iron is used for the core of a transformer, and steel is used to make a bar magnet. Which statement gives the reason for these uses of iron and steel?
- AIron is a magnetic material and steel is a non-magnetic material.
- BIron is a permanent magnetic material and steel is a temporary magnetic material.
- CIron is a temporary magnetic material and steel is a permanent magnetic material.
- DIron is a non-magnetic material and steel is a magnetic material.