Points A and B are situated along the extended axis of 2 cm long bar magnet at a distance X and 2X cm respectively. From the pole nearer to the points, the ratio of the magnetic field at A and B will be

Options :
  1. 4:1
  2. 8:1 approx.
  3. 1:4
  4. none of the above


Answer and Explanation :-

Answer: Option 2

Explanation:

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