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

Right hand thumb rule


A current flows in a straight wire in the direction of the arrow, shown below.
Choose the correct directions of the magnetic field produced by the current at A and B.
Choose 1 answer: