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Which direction would this motor spin? + Armature Direct current Clockwise Counter clockwise N Magnetic field Pair of brushes S -Split-ring commutator
Which direction would this motor spin? + Armature Direct current Clockwise Counter clockwise N Magnetic field Pair of brushes S -Split-ring commutator
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This is an illustration of a simple direct current DC motor The direction in which the motor would spin is determined by the interaction of the magnetic field produced by the current flowing through the armature the coil of wire and the magnetic field from the permanent magnets labeled N and S for north and south pole respectively Using Flemings lefthand rule we can determine the direction of the force on a currentcarrying conductor in a magnetic field The rule states that if you arrange your left hand with the thumb index finger and middle finger all at right angles to each other The thumb represents the direction of the force motion of the conductor The index finger represents the direction of the magnetic field from North to South The middle finger represents the direction of the current from positive to negative Looking at the diagram the magnetic field is going from the N North pole to the S South pole of the magnet ...
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University Physics with Modern Physics
Authors: Hugh D. Young, Roger A. Freedman
14th edition
133969290, 321973615, 9780321973610, 978-0133977981
