4 JEE Main 2020 Magnetic Properties of Matter previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2020 previous-year questions from the Magnetic Properties of Matter chapter of Physics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Magnetic Properties of Matter chapter hub.
A perfectly diamagnetic sphere has a small spherical cavity at its centre, which is filled with a paramagnetic substanc…
A small bar magnet is placed with its axis at 30 o with an external magnetic field of 0 . 06   T experiences a tor…
The figure gives experimentally measured B vs. H variation in a ferromagnetic material. The retentivity, coercivity and…
A paramagnetic sample shows a net magnetisation of 6   A / m when it is placed in an external magnetic field of 0…