To provide you with additional information about how we collect and use your personal data, we’ve recently updated our Privacy Policy and Terms of Service. Please review these pages now, as they apply to your continued use of our website.
Demonstration of the `Right Hand Rule` regarding to the magnetic cield of a coil. The coil produces a north pole at the thumb end, when hte othe rfingers point in the direction of the current red marker White on the compass needle is south pole.