(I) A 42-cm-long solenoid, 1.8 cm in diameter, is to produce a 0.030-T magnetic field at its center. If the maximum current is 4.5 A, how many turns must the solenoid have?
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We are given B = 0.030 T, I = 4.5 A, and we know μ₀ = 4π × 10⁻⁷ Tm/A. We can rearrange the formula to solve for n: n = B / (μ₀ * I) Now, we can plug in the values: n = 0.030 / (4π × 10⁻⁷ * 4.5) n ≈ 530.52 turns/m Now, we need to find the total number of Show more…
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