2010年9月22日星期三

Right Hand Rule #1 and 2

Right Hand Rule #1:

Current flow from positive to negative, the thumb of the right hand is pointing to the positive current flow and the curved fingers are pointing to the direction of the magnetic field around the conductor




It is the positive direction of the current flow




It is the negative direction of the current flow






Right Hand Rule #2 rules for coils:

In right Hand Rule #2 the Current flow from positive to negative.

Curved fingers around conductor, the curved fingers point the direction of positive current flow, and they represent the current. The thumb points the direction of the magnetic field and it represents the direction of the north.

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