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Potential energy in ELECTRIC DIPOLES

  1. Feb 15, 2009 #1
    1. The problem statement, all variables and given/known data
    IF THERE IS A MAXIMUM TORQUE WHEN THETA = 90 DEGREES BETWEEN ANGLE MADE BY THE DIPOLE VECTOR P AND THE ELECTRIC FIELD VECTOR E, WHY IS IT CONVENTION TO NOTE THE POTENTIAL ENERGY OF THE DIPOLE AT THETA = 90 DEGREES IS 0?

    SHOULDN'T THE POTENTIAL ENERGY AT THETA = 90 DEGREES BE A MAXIMUM AND MINIMUM WHEN THETA = 0 DEGREES (P VECTOR IS PARALLEL WITH E VECTOR)


    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Feb 15, 2009 #2
    help
     
  4. Feb 16, 2009 #3
    oh i got it. sorry, maximum potential energy is when the positive end of dipole is closest to the electrical field.
     
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