If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Magnetic field around a straight current-carrying wire


Arjana experiments with a straight wire in which a current flows toward east.
She then reverses the current so it flows toward west.
What happens to the magnetic field around the wire when the current direction is reversed?
Choose 1 answer: