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Sahay Sir > Question Answers > JEE Mains Physics 2002-2019 Solved Video Solutions > Practice Set 1 > 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 B . Then the field inside the paramagnetic substance is:

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 B . Then the field inside the paramagnetic substance is:

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 B . Then the field inside the paramagnetic substance is: