Question
What creates the magnetic force in an electromagnet?(1 point)
Responses
coiled wire
coiled wire
electric current
electric current
battery
battery
iron or steel core
Responses
coiled wire
coiled wire
electric current
electric current
battery
battery
iron or steel core
Answers
GPT-4o mini
The correct response is **electric current**.
In an electromagnet, the magnetic force is created when an electric current flows through the coiled wire, generating a magnetic field. The presence of an iron or steel core enhances this magnetic field but does not create the magnetic force itself.
In an electromagnet, the magnetic force is created when an electric current flows through the coiled wire, generating a magnetic field. The presence of an iron or steel core enhances this magnetic field but does not create the magnetic force itself.