Please choose the correct answer to the 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

Answer1: heat produced by the lightbulb. Answer2: light produced by the lightbulb. Answer3: electric field produced by the battery. Answer4: magnetic field produced by the electric current.

Answer format: answer1/answer2/answer3/answer4