ADC is above 0.7V from main ground :

__Case 1:____What value adc will read & how do we calculate?__1. View attachment 214255

Case 2. What value adc will read & how do we calculate?Case 2. What value adc will read & how do we calculate?

View attachment 214257

__Case3 :____What value adc will read & how do we calculate?__View attachment 214258