Current \( I \) is uniformly distributed across cross-section of thick hollow wire of internal r... VIDEO
Current \( I \) is uniformly distributed across cross-section of thick hollow wire of internal radius \( a \) and external radius \( b \) . The magnetic field at \( xa \) (where \( x \) is radial distance)https://bit.ly/YTAI_PWAP https://www.pw.live
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\[
\Delta=\left|\begin{array}{ccc}
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\[
\begin{array}{l}
2 x+3 y-z=-2 \\
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\[
\begin{array}{l}
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\[
\begin{array}{l}
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\[
\begin{array}{l}
x+y+\alpha z=2 \\
3 x+y+z=4 \\
x+2 z=1
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