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Math Help - Electric Field and Potential (conceptual help)

  1. #1
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    Electric Field and Potential (conceptual help)



    The question states that there are 5 energy contours, each with a potential difference of 0.3 J/C. The center is a conducting core, and the very outer edge is a sheath. The outer sheath is the final energy contour. Therefore, the outer edge of the center conducting core isn't an energy contour, since the question states there are five energy contours.


    Consequently, I am wondering if you would still consider moving from the center core (black dot) to the very first equipotential curve to be a potential of 0.3? Would you still consider the black dot to be some potential difference than the energy contours?
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  2. #2
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    For example, if we were told that we were moving a particle from the center core (the large black dot), to the very outer sheath (the fifth energy contour), what would be the potential difference? Would the first energy contour be 0.3 J/C difference from the center black core, or would you neglect this black core, and consider the first energy contour to be zero?



    The question states that the field is pointingm from the center core to the outer sheath. Therefore, potential energy increases for a positive charge moving from A to G.
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