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UEK and UDEP are the electrokinetic and dielectrophoretic velocities, respectively. UDEP,s and UDEP,n👀 represent the dielectrophoretic velocity components tangential and normal to a streamline, respectively. The background shows the electric field contour (the darker the higher) and the...

Thanks for your reply, in previous studies on electroporation reducing the cross-section area of microchannels (microfluidics)used for cell trapping will have an amplification on the electric field strength. I want to understand the equations behind this phenomena.

According to the continuity equation of the electric field (i.e., ▽·Ε = 0) a decrease in cross-section area will increase the electric field strength, Why is that?