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Fleming's left-hand rule for motors
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The Left-Hand Thumb
Right hand rule. These convenient appendages help us understand the interaction between electricity and magnetism via the Right Hand Rule and the Left Hand Rule. The Right Hand Rule , illustrated at left, simply shows how a current-carrying wire generates a magnetic field. If you point your thumb in the direction of the current, as shown, and let your fingers assume a curved position, the magnetic field circling around those wires flows in the direction in which your four fingers point. The Left Hand Rule shows what happens when an electrical current enters a magnetic field. You need to contort your hand in an unnatural position for this rule, illustrated below.
Guitar Technique Tip of the Month
This month's tip is all about the left-hand thumb. Learn the number-one concept you must know to use the thumb properly. This concept will help your left hand work much more efficiently. Do you have a question? Suggestion for the website?
They were originated by John Ambrose Fleming , in the late 19th century, as a simple way of working out the direction of motion in an electric motor , or the direction of electric current in an electric generator. When current flows through a conducting wire, and an external magnetic field is applied across that flow, the conducting wire experiences a force perpendicular both to that field and to the direction of the current flow i. A left hand can be held, as shown in the illustration, so as to represent three mutually orthogonal axes on the thumb, fore finger and middle finger. Each finger is then assigned to a quantity mechanical force, magnetic field and electric current. The right and left hand are used for generators and motors respectively.
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Wtf am i doin with my life who is the girl on 0:39?
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