Magnetic Properties of Matter

JEE Main level, single correct, medium

48 of 57

Question 48 of 57

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 B⃗\vec{B}. Then the field inside the paramagnetic substance is:

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Answer: (B) Zero

When magnetic field is applied diamagnetic substance produces magnetic field in opposite direction so net magnetic field will be zero.

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