Which of the following is required in order for a copper wire to create a magnetic field? (1 point)
Responses
A power source such as a battery.
A power source such as a battery.
Electrons that are attracted to each other.
Electrons that are attracted to each other.
Magnets that can help the electrons move.
Magnets that can help the electrons move.
An ammeter to measure the strength of the current
1 answer
An ammeter to measure the strength of the current.