πŸ“Š Non Destructive Testing and Evaluation
Q. Which of the following is false concerning a magnetic field in and around a hollow conductor as compared to that of a solid conductor of the same outside diameter when both are of the same magnetic material, and when the applied current is the same?
  • (A) The field immediately outside the outer surface of the hollow conductor is greater
  • (B) The field gradient inside the hollow conductor is steeper
  • (C) The fields outside the conductors are the same
  • (D) The fields are the same at the centre
πŸ’¬ Discuss
βœ… Correct Answer: (C) The fields outside the conductors are the same

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