So, we made 3D and contour plots of electric potential with parallel bar conduct

Question

So, we made 3D and contour plots of electric potential with parallel bar conductive tape, teardrop shaped and dipoles. Obviously, based on the electrode which were +2.6V and -2.6V, the potentials were different.

So, the question is do regions where there is high electric potential also mean there is a high electric field and why?

Also, for the dipoles and parallel lines, the potentials were the highest on the electrodes and the conductive tape. However, the teardrop had the highest potential inside the tape. Why is that? The 3D graphs are below. As you can see, the green portion in the teardrop is the highest inside the shape of the teardrop.

Thanks in advance!

Explanation / Answer

Yes, regions where there is high electric potential also mean there is a high electric field .

The electric field is the negative gradient of the potential; that is, field lines point from positions of high potential to points of low potential. The more rapidly the voltage changes the stronger the electric field in that region.

Carbon has higher electrode-electrolyte DC potentials than Ag/AgCl. While electrode-electrolyte potentials should cancel out each other if the identical electrodes are used in pairs, there are often imbalances between electrodes and electrolytes around the electrodes, causing electrode polarization

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