Motors and generators

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Author:
Anonymous
ID:
108473
Filename:
Motors and generators
Updated:
2011-10-12 16:10:58
Tags:
physics
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Description:
motors and generators
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  1. the force on a current carying conductor increases if: (five reasons)
    • Magnetic filed strength increases
    • current flowing through conductor increases
    • length of conductor in field increases
    • angle between field and current increases
    • number of lengths of wire in the field increases
  2. current carrying conductors near eachother will?
    • Repel if currents in opposite directions
    • attract if currents in same directions
  3. what is torque?
    the turning action of two equal forces acting in opposite directions on opposite sides of a coil (also known as the moment of a force)
  4. define the motor effect
    A current carrying conductor in a magnetic field experiences a force. the motor effect occurs due to the interaction of the external field with the field created by the current

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