I am attaching 3 figures from a well known book (Electronic Devices by Thomas L. Floyd). How does a multimeter measure µV and mV on Figures 4-39 a and f? How does this part of the transistor behave as a floating voltage point? And also how does it measure 3V on the base side and 2.5V or more on the ground side of the transistor on Fig. 4-44? Floating voltage points.pdf