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Physics-10th Magnetic Effects of Electric Current CBSE Board 2023 Hard

The correct pattern of magnetic field lines of the field produced by a current carrying circular loop is :

The correct pattern of magnetic field lines of the field produced by a current carrying circular loop is :
(a) − + N S (b) − + N S (c) − + N S (d) − + N S
  1. (a)Arcs above the axis with their arrowheads at the right, pointing right; arcs below the axis with their arrowheads at the left, pointing left; rings round both the top and the bottom of the loop, both circulating anticlockwise.
  2. (b)Arcs above the axis with their arrowheads at the left, pointing left; arcs below the axis with their arrowheads at the right, pointing right; no rings round the loop.
  3. (c)Arcs above and below the axis, all with their arrowheads at the left, pointing left; rings round the top of the loop circulating clockwise and rings round the bottom circulating anticlockwise.
  4. (d)No arcs; large rings round the top of the loop circulating clockwise and round the bottom circulating anticlockwise.

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