CHAPTER PARTS OF SPEECH (8 When a more general reference is made. Experiment indicates that Ohms law holds only for metallic conductors -lt is shown by experiment that This is the most effective way to divide responsibilities between author and instructor The resulting pressure difference between top and bottom of the ball causes a“lift” forceCHAPTER I PARTS OF SPEECH ③ When a more general reference is made. Experiment indicates that Ohm’s law holds only for metallic conductors. =It is shown by experiment that… This is the most effective way to divide responsibilities between author and instructor. The resulting pressure difference between top and bottom of the ball causes a “lift” force