Question: A student used two long wires to connect a lightbulb to a battery. The student noticed that as soon as the circuit was complete, a nearby compass started to point in a direction other than north. The compass pointed in a different direction because it was reacting to the
Choices:
heat produced by the lightbulb.
light produced by the lightbulb.
electric field produced by the battery.
magnetic field produced by the electric current.
Answer: D