MCQ
When two magnetic moments are compared using equal distance method the deflections produced are $45^{\circ}$ and $30^{\circ}.$ If the length of magnets are in the ratio $1: 2,$ the ratio of their pole strengths is
 
  • A
    $3: 1$
  • B
    $3: 2$
  • C
    $\sqrt{3}: 1$
  • $2 \sqrt{3}: 1$

Answer

Correct option: D.
$2 \sqrt{3}: 1$
$2 \sqrt{3}: 1$

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