The GATE Grind

GATE Electromagnetic theory: magnetic materials – Previous Year Questions

3 GATE previous year questions on magnetic materials (Electromagnetic theory, Physics) with answers and explanations, from every paper.

  1. GATE 2023 PH Q31 (1 mark, Multiple select) – Consider an isolated magnetized sphere of radius R with a uniform magnetization M⃗⃗ along the positive z direction, with the north and south poles of…
  2. GATE 2025 PH Q58 (2 marks, Multiple select) – A linear magnetic material in the form of a cylinder of radius R and length L is placed with its axis parallel to the z axis. The cylinder has uniform…
  3. GATE 2024 PH Q20 (1 mark, Multiple choice) – An infinite cylinder of radius R has frozen-in magnetization M=ke-s z, with s the distance from its axis. There is no free current. With vacuum…