Question

Pls Pls Pls answer
which of the following involves electromagnetic induction ?
1-a rod is charged with electricity
2-an electric current produced a magnetic field
3-a magnetic field excerts a force on a current carrying wire
4-the relative motion between a magnet and a coil produces an electric current.

the best answer will be marked as brainllist on the spot. answer can be two or more also​

Answer 1

Answer:

1. 2................
2. 2
3. 2