x A coa is formed by wind X c A Coil is Formed By win x G in gure (al, a 450 re

Question

x A coa is formed by wind X c A Coil is Formed By win x G in gure (al, a 450 re x cure I https://edugenwileyplus.com/edugen/student/mainfr. Assig Grade boek Chapter 26, Problem 015 Google Chrome secure l https/Iedugen wiley plus.com/edugen/shared/assignment/rest/aprint uni by: AHMED ALFAIET PHYS 1304 002: Introductory Electricity and Magnetism "We "Chapter 26, Problem 015 Your answer is partially correct. Try again. A coil is formed by 37o cylindrical form of radius What is 18 cm. copper wire (diameter 1 mm) in a single layer on a the resistance of the coil? Neglect the thickness of the int Take the sulation. resistivity of copper to be 1.69 x 10 ohm-m.) NumbertR the tolerance is +/-1 in the 2nd significant digit Question Attempts 3 of 5 used

Explanation / Answer

radius = 1.1 mm/2 = 5.5 x 10^-4 m

Length of the wire = 370 x 2 x 3.14 x 0.18 = 418.25

(L = N x 2 pi r)

We know that resistance is given by:

R = rho L/A

R = 1.69 x 10^-8 x 418.25 / [3.14 x (5.5 x 10^-4)^2] = 7.44 Ohm

Hence, R = 7.44 Ohm

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