GATE Electromagnetic theory: separation of variables – Previous Year Questions

1 GATE previous year questions on separation of variables (Electromagnetic theory, Physics) with answers and explanations, from every paper.

1. GATE 2022 PH Q15 (1 mark, Multiple choice) – A spherical boundary encloses a charge-free region. A quarter has potential 0, another quarter 2 0, and the rest 4 0. Find its central potential.