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Question 4 Not yet answered Points out of 3.00 | Flag question Resistance and Current in the Human Finger: The interior of the human body

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Question 4 Not yet answered Points out of 3.00 | Flag question Resistance and Current in the Human Finger: The interior of the human body has an electrical resistivity of 0.15 0.m. Estimate that the finger is a cylinder of radius 1.0 cm and length 10 cm. A] Estimate the resistance for current flowing the length of your index finger. (For this calculation, ignore the much higher resistivity of your skin.) B] Your muscles will contract when they carry a current greater than 15 mA. What voltage is required to produce this current through your finger? [Hint: Ends of the cylinder are circular. Use this fact for calculating Area] O a. A] 50.56 0 B] 0.71 V O b. A] 47.77 0 B] 0.15 V O c. A] 50.56 0 B] 0. 15 V O d. A] 47.77 Q B] 0.71 V

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