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9 Nov 2019

Figure 29-71 shows an arrangementknown as a Helmholtz coil. It consists of two circular coaxialcoils, each of N = 181 turns and radius R = 23.3 cm, separated by adistance s = R. The two coils carry equal currents i = 8.91 mA inthe same direction. Find the magnitude of the net magnetic field atP, midway between the coils.

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Trinidad Tremblay
Trinidad TremblayLv2
2 May 2019

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

Question 58

The figure shows the arrangement known as the Helmholtz Coil. Itconsists of two circular coaxial coils, each of N turns and radiusR. The coils are separated by a distance s=R and they both carryequal currents i. A) derive the equation for the magnitude ofmagnetic field in the midpoint P between the coils. B) show thatthe first derivative of the magnitude of the net magnetic field ofthe coils (dB/dx) vanishes at the midpoint P regardless of thevalue of s. C) show that the second derivative (d^2)B/(dx)^2 alsovanishes at the Midpoint P, provided that s=R

Two identical, flat, circular coils of wire each have 100 turns and radius R = 0.500 m. The coils are arranged as a set of Helmholtz coils so that the separation distance between the coils is equal to the radius of the coils (see Fig. P29.38). Each coil carries current I = 10.0 A. Determine the magnitude of the magnetic field at a point on the common axis of the coils and halfway between them.

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