Electrowetting seems like an established phenomenon in liquid metals in an electrolyte bath . (I forgot to mention that the setup was in an electrolyte bath). Are you saying that the current being carried through the circuit causes the droplet to split?
It seems like a plausible explanation. I was wondering if Continuous electrowetting would play a role here. (which sounds a lot like electromigration).
I recently saw a phenomenon wherein a metal droplet was stretched and stuck between two electrodes that it wet to. Upon applying electric field, the droplet split into two. ANy idea why?