Physics · 2020
JEE Main · 3 September 2020, Shift 2 · Q13
A perfectly diamagnetic sphere has a small spherical cavity at its centre, which is filled with a paramagnetic substance. The whole system is placed…
A perfectly diamagnetic 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 $\displaystyle \vec{B}$. Then the field inside the paramagnetic substance is :
Official answer
(3)
zero
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JEE Main 2020 Physics question, with the answer from NTA’s final answer key. Where our answers come from.