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Cell Membrane Question

  1. Sep 5, 2005 #1
    The membrane of a cell is electrically equivalent to a parallel plate capacitor. A typical cell has a spherical shape with a radius 10 μm and it has a potential of −60 mV with respect to outside. The thickness of the membrane is about 0.01 μm, and it has a dielectric constant of 2.
    Find:
    (a) the capacitance,
    (b) the magnitude of the electric field in the membrane,
    (c) the stored electrical energy, and
    (d) the magnitude of the separated charge.

    Where to start on this question??? :confused:
     
  2. jcsd
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