Consider the following statements:
S1: When a current flows through a wire, it behaves like a magnet.
S2: This magnetic behavior of a current-carrying wire is temporary and ceases when the current stops.
S3: Permanent magnets can be created by passing electric current through wires.
1
Only S1 is true.
2
S1 and S2 are true.
3
S1 and S3 are true.
4
All S1, S2, and S3 are true.