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$\sqrt{3}: 1$
- ✓$2 \sqrt{3}: 1$

