Magnetic Field

Magnetic Field

Center of the Loop

$$ \large |\vec{B}| = \frac{\mu_0 I}{4\pi r^2} \int^{2\pi}_{0} d\theta = \frac{\mu_0 I}{2r} $$

One Wire

$$ \large |\vec{B}| = \frac{\mu_0 I}{2\pi r} $$

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