Step 1: Identify the relevant formula
To calculate the magnetic field at the center of a solenoid, we use the formula:
\[ B = \mu_0 \frac{N I}{L} \]
where \( B \) is the magnetic field, \( \mu_0 \) is the permeability of free space (\( 4\pi \times 10^{-7} \,
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