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Consider a short bar magnet of magnetic length 10 cm . Its geometric length is

Options

  1. A12   cm
  2. B5   cm
  3. C3   cm
  4. D4   cm

Correct answer

A. 12   cm

Step-by-step solution

Geometric length of a magnet is 6 5 times its magnetic length. ∴ Geometric length = 6 5 × 10 = 12   cm

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