A

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Q. The magnetic field at the center of a solenoid is directly proportional to:

  • (A) Length of solenoid
  • (B) Current and turns per unit length
  • (C) Resistance
  • (D) Radius only
  • Correct Answer - Option(B)
  • Views: 6
  • Filed under category Physics
  • Hashtags: NEET

Explanation by: Admin

The magnetic field inside a long solenoid is B = μ₀nI.

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