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The current in the wire can have two possible directions. Fleming's right-hand rule gives which direction the current flows. The right hand is held with the thumb, index finger and middle finger mutually perpendicular to each other (at right angles), as shown in the diagram. [1]
In mathematics and physics, the right-hand rule is a convention and a mnemonic, utilized to define the orientation of axes in three-dimensional space and to determine the direction of the cross product of two vectors, as well as to establish the direction of the force on a current-carrying conductor in a magnetic field.
The various FBI mnemonics (for electric motors) show the direction of the force on a conductor carrying a current in a magnetic field as predicted by Fleming's left hand rule for motors [1] and Faraday's law of induction. Other mnemonics exist that use a right hand rule for predicting resulting motion from a preexisting current and field.
When both hands are held up palm out, thumbs stuck out perpendicular to fingers, the Left hand is the one that makes the shape of the letter L. In electromagnetism, right and left hand rules are used to find the direction of force and current respectively. Here the hands are used as an aid for remembering the directions of force and current.
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Change color of current arrow on the hand to match the blue color as the arrows for the coil current direction: 01:26, 31 December 2019: 540 × 470 (97 KB) TreeOfKnowledge: Direction of magnetic field (''B'') for an electrical coil.
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Right_hand_rule_simple.png; Author: Right_hand_rule_simple.png: The original uploader was Schorschi2 at German Wikipedia. derivative work: Wizard191 (talk) Other versions: Derivative works of this file: Two-Hand Rule.png