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Homework Help: Why do headlights on a car dim when the motor is operated

  1. Mar 9, 2010 #1
    1. The problem statement, all variables and given/known data
    why do headlights on a car dim when the starter motor is operator.
    battery emf = 12V
    internal resistance - .040 ohm
    starter motor current = 100 A.

    2. Relevant equations



    3. The attempt at a solution
    1. The problem statement, all variables and given/known data



    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Mar 9, 2010 #2

    sylas

    User Avatar
    Science Advisor

    Welcome to physicsforums, valli. I hope you find it helpful. The way we roll here is that you also give some relevant equations and your first attempt at a solution, and then someone will be along to give some guidance to get the rest of the way to a solution. Good luck!
     
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