In this lab, I am given equations for numerically calculating B and dB/dz. Show

Question

In this lab, I am given equations for numerically calculating B and dB/dz. Show that these equations are equivalent to the abstract equations listed by substituting the relevant numerical values into the original equations and showing that these equations are indeed obtained.

The abstract equations are:







Relevant information:

R = 0.109m, D = 0.138m, z = D/2, N = 390, each coil contains 195 loops

B = 0.00136* I, dB/dz = -0.01687*I

F = (dB/dz) * µ



I am confused about how to find µ for these equations.

Explanation / Answer

is permeability. Its value for air medium is 4 *10^-7 N/A2 (with very neglible error. actual value = 1.00000037 *4 *10^-7 N/A2)

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