The woman in the photo on page 753 is gripping a device
Chapter 27, Problem 27.19(choose chapter or problem)
The woman in the photo on page 753 is gripping a device that measures body fat. To illustrate how this works, Figure 27.22 models an upper arm as part muscle and part fat, showing the resistivities of each. Nonconductive elements, such as skin and bone, have been ignored. This is obviously not a picture of the actual structure, but gathering all the fat tissue together and all the muscle tissue together is a model that predicts the arms electrical character quite well. A 0.87 mA current is recorded when a 0.60 V potential difference is applied across an upper arm having the dimensions shown in the figure. What are the percentages of muscle and fat in this persons upper arm?
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