State the pattern of magnetic field lines for current
carrying circular conductor.
(a) Magnetic field lines will be concentric circles to any point of
the circular loop
(b) At centre, the field lines appear straight
(c) Both of these
(d) None of these
i think , option c . 

Dear Student,
The pattern of magnetic field lines produced by  circular current carrying conductor is given below:

  • The magnetic field lines are concentric circles at every point of a current carrying circular loop. The direction of magnetic field of every section of the circular loop can be found by using the right hand thumb rule.
  •  At the centre of the circular loop, The magnetic field lines are straight.The direction of magnetic field at the centre of circular coil is perpendicular to the place of the coil. i.e. along the axis of the coil.
Ans: (c) Both of these

Regards

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