MCQ
A perfectly dimagnetic sphere has a small spherical cavity at its centre, which is filled with a paramagnetic substance. The whole system is placed in a uniform magnetic field $\overrightarrow{ B }$. Then the field inside the paramagnetic substance is:
- ✓$Zero$
- B$\overrightarrow{ B }$
- Cmuch large than $|\overrightarrow{ B }|$ but opposite to $\overrightarrow{ B }$
- Dmuch large than $|\overrightarrow{ B }|$ and parallel to $\overrightarrow{ B }$
