Step 1: Recall the formula for the magnetic field within a solenoid: \( B = \mu_0 \cdot n \cdot I \)
where:
\( B \) = magnetic field within the solenoid
\( \mu_0 \) = permeability of free space = \( 4\pi \times 10^{-7} \) Tm/A
\( n \) = number of turns per unit
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