Question

how is a magnetic field produced?

A. when electrons move through a circuit
B. when an object has an electric charge.
C. when a current runs through a conductor.
D. when an electromagnet field interacts with a magnet.

Answer 1

[AI-generated answer — Bot GPT 3.5]

All of the above options can produce a magnetic field, but the most general and accurate answer would be: C. when a current runs through a conductor.