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Inside a long ideal solenoid with n turns per unit length carrying current I, the magnetic field is:

  1. (a) zero
  2. (b) μ₀ n I
  3. (c) μ₀ I/n
  4. (d) μ₀ n I/2
Answer and solution

Answer (b) μ₀ n I

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Study Moving Charges & Magnetism

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