Question
Hal makes an electromagnet with a 9-volt battery, wire, and a steel rod. What is the function of electric current in his electromagnet? (1 point)
Responses
Electric current powers the electromagnet.
Electric current powers the electromagnet.
Electric current attracts or repels charged objects.
Electric current attracts or repels charged objects.
Electric current creates a magnetic field that charges the rod.
Electric current creates a magnetic field that charges the rod.
Electric current determines the strength of the magnet.
Responses
Electric current powers the electromagnet.
Electric current powers the electromagnet.
Electric current attracts or repels charged objects.
Electric current attracts or repels charged objects.
Electric current creates a magnetic field that charges the rod.
Electric current creates a magnetic field that charges the rod.
Electric current determines the strength of the magnet.
Answers
GPT-4o mini
The correct response is:
**Electric current creates a magnetic field that charges the rod.**
When electric current flows through the wire wrapped around the steel rod, it generates a magnetic field that magnetizes the rod, effectively turning it into an electromagnet.
**Electric current creates a magnetic field that charges the rod.**
When electric current flows through the wire wrapped around the steel rod, it generates a magnetic field that magnetizes the rod, effectively turning it into an electromagnet.