The GATE Grind

GATE Electromagnetic Fields: Coulomb's Law, Electric Field Intensity, Electric Flux Density, Gauss's Law, Divergence – Previous Year Questions

11 GATE previous year questions on Coulomb's Law, Electric Field Intensity, Electric Flux Density, Gauss's Law, Divergence (Electromagnetic Fields, Electrical Engineering) with answers and explanations, from every paper.

  1. GATE 2017 EE Q15 (1 mark, Multiple choice) – Consider an electron, a neutron and a proton initially at rest and placed along a straight line such that the neutron is exactly at the center of the…
  2. GATE 2016 EE Q48 (2 marks, Multiple choice) – Two electric charges q and -2q are placed at (0, 0) and (6, 0) on the x-y plane. The equation of the zero equipotential curve in the x-y plane is
  3. GATE 2018 EE Q20 (1 mark, Multiple choice) – A positive charge of 1 nC is placed at (0,0,0.2) where all dimensions are in metres. Consider the x-y plane to be a conducting ground plane. Take…
  4. GATE 2020 EE Q43 (2 marks, Multiple choice) – The static electric field inside a dielectric medium with relative permittivity, r=2.25, expressed in cylindrical coordinate system is given by the…
  5. GATE 2020 EE Q50 (2 marks, Multiple choice) – Let a r, a and a z be unit vectors along r, and z directions, respectively in the cylindrical coordinate system. For the electric flux density given…
  6. GATE 2021 EE Q27 (1 mark, Numerical answer) – A 1 C point charge is held at the origin of a cartesian coordinate system. If a second point charge of 10 C is moved from (0,10,0) to (5,5,5) and…
  7. GATE 2022 EE Q53 (2 marks, Multiple choice) – As shown in the figure below, two concentric conducting spherical shells, centered at r=0 and having radii r=c and r=d are maintained at potentials…
  8. GATE 2024 EE Q51 (2 marks, Numerical answer) – In the (x,y,z) coordinate system, three point-charges Q, Q, and Q are located in free space at (-1,0,0), (1,0,0), and (0,-1,0), respectively. The…
  9. GATE 2025 EE Q25 (1 mark, Multiple choice) – Which one of the following figures represents the radial electric field distribution E R caused by a spherical cloud of electrons with a volume charge…
  10. GATE 2026 EE Q15 (1 mark, Multiple choice) – A uniform ring charge of radius R carries a total charge Q. Which one of the following options correctly quantifies the magnitude of the force on a…
  11. GATE 2026 EE Q63 (2 marks, Numerical answer) – A uniform spherical volume charge distribution of radius 2 m, centered at the origin, has a strength of 310-5 C/m³. A point charge of strength…