Electromagnetics Practice Questions

Generate GATE-level questions on Antennas and S-Parameters. Focus on: 1. Antenna parameters: Radiation pattern, Gain, Directivity, and Return loss. 2. Antenna types: Dipole, Monopole, and Antenna arrays. 3. S-parameters: Scattering matrix, Reciprocity, and Losslessness. 4. Radar and Optical Fibers: Radar cross-section, Numerical aperture, and Fiber modes.

Generate GATE-level questions on Basics of Electromagnetics. Focus on: 1. Maxwell’s Equations: Differential and integral forms, Interpretation, and Boundary conditions. 2. Vector Calculus: Gradient, Divergence, Curl, and Gauss/Stokes theorems. 3. Electrostatics: Gauss's law, Poisson and Laplace equations, Capacitance. 4. Magnetostatics: Biot-Savart law, Ampere's law, Inductance, and Magnetic forces.

Generate GATE-level questions on Transmission Lines. Focus on: 1. Characterstic impedance, Propagation constant, and Reflection coefficient. 2. Standing Wave Ratio (SWR) and Impedance transformation. 3. Smith Chart: Usage for impedance calculation and matching. 4. Impedance matching: Quarter-wave transformers and Stub matching.

Generate GATE-level questions on Uniform Plane Waves. Focus on: 1. Wave properties: Phase velocity, Group velocity, and Characterstic impedance. 2. Propagation through media: Lossless and lossy dielectrics, Skin depth, and Poynting vector. 3. Polarization: Linear, Circular, and Elliptical polarization. 4. Reflection and Refraction: Normal and Oblique incidence, Brewster angle, and Snell's Law.

Generate GATE-level questions on Waveguides. Focus on: 1. Rectangular waveguides: TM and TE modes, Boundary conditions. 2. Cut-off frequencies, Dispersion relations, and Phase/Group velocity in guides. 3. Power transmission and Attenuation in waveguides.