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Wednesday, September 22, 2010

Right Hand Rules 1 and 2

Point your right thumb in the direction of the conventional current to use the rule
RHR 1. Basically when a conductor is conducting electricity, it creates a magnetic field around it. By applying the right-hand rule, you can figure out which way the magnetic lines are going.

The second RHR will help you figure out the direction of the north end of the temporary magnet when you have a conductor wrapped around a metal like iron. Your fingers represent the direction of the current (conventional current when using your right hand) and the direction your thumb is pointing is the direction the north pole of the magnet is. (:

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