Derivation Problem (Magnetic Field)

Thread starter Solisiel
Start date Nov 26, 2014
Tags

Derivation Field Magnetic field

AI Thread Summary

The discussion revolves around a user's difficulty in deriving the correct formula for a magnetic field problem. They express frustration with the selected formula being incorrect and share their attempt at a solution, indicating that they believe the answer lies in a specific relationship between variables. The user references specific equations and constants related to magnetic fields but is struggling to connect them correctly. Despite their efforts, they remain uncertain about the accuracy of their approach. The thread highlights the challenges faced in solving complex physics problems.

Nov 26, 2014

Solisiel

Homework Statement

Hi, I'm having trouble solving this problem:

I can't seem to get to the right derived formula. The one selected is wrong. I'm still attempting to solve this.

Homework Equations

B= 8 M₀ N (I - I₀)
125^1/2 a

e = 2V
m B² R²

The Attempt at a Solution

Here's my attempt at it.

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Nov 27, 2014

andrevdh

Seems to me that it is the 6th answer from the top since
B_f = 2B_jwhere B_j = φ(I_j - I_o)

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