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Analysis of capacitance, energy stored of pair of electrodes

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The physics behind electro caridio gram is examined. The capacitance between two 4cm^2 square electrodes spaced 0.6mm apart connected to a 400V battery is determined. The charge stored is then determined

A pair of 10uF capaciators in a high powered laser are charges to 1.7 kV and the charge and energy stored is determined

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Delta V(3,1) is positive at point a in the heart cycle because the graph in Figure A shows a positive peak at this point.

Delta V(3,1) is negative at point b in the heart cycle because the graph in Figure A shows a negative peak at this point

Delta V(3,1) is ...

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