Physics for Scientists and Engineers
6th Edition
ISBN: 9781429281843
Author: Tipler
Publisher: MAC HIGHER
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Chapter 25, Problem 50P
To determine
The resistance between the conductors.
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Most of the resistance of the human body comes from the skin, as the interior of the body contains aqueous solutions that are good electrical conductors. For dry skin, the resistance between a person’s hands is typically 510 kiloohm. The skin is on average about 2.00 mm thick. We can model the body between the hands as a cylinder 1.60 m long and 12.0 cm in diameter with the skin wrapped around it.
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Chapter 25 Solutions
Physics for Scientists and Engineers
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- A coaxial cable consists of two concentric cylindrical conductors. The region between the conductors is completely filled with polyethylene plastic as shown in the figure. The radius of the inner conductor is a= 0.6 cm, the radius of the outer conductor is b = 1.8 cm, and the length is L= 30 cm. The resistivity of the plastic is p= 1013 n. m Calculate the resistance of the plastic between the two conductors. Inner Outer conductor conductorarrow_forwardNerve impulses are carried along axons, the elongated fibers that transmit neural signals. We can model an axon as a tube with an inner diameter of 10 μm. The tube wall is insulated, but the fluid inside it has a resistivity of 0.50 Ω⋅m. What is the resistance of a 7.0- mm -long axon?Express your answer with the appropriate units.arrow_forwardTwo conductors are made of the same material and have the same length. Conductor A is a solid wire of diameter 1.0 mm. Conductor B is a hollow tube of outside diameter 2.0 mm and inside diameter 1.0 mm. What is the resistance ratio RA/RB, measured between their ends?arrow_forward
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