Which of the following statements is incorrect for a current-carrying solenoid?

  • A
    Its pattern of field lines is just like the pattern of field lines of a bar magnet.
  • B
    It is used to produce a uniform magnetic field.
  • C
    Its magnetic field does not depend on the radius of the cross-section of the frame.
  • D
    When it is freely suspended,it always stays perpendicular to the magnetic meridian.

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