Aspiring engineers who are preparing for the Graduate Aptitude Test in Engineering (GATE) understand the significance of thorough preparation and comprehensive study resources.

Through a meticulous examination of previous years’ question papers, we aim to provide you with valuable insights, key trends, and effective strategies to excel in Electromagnetics for your GATE exam.

## GATE EC Syllabus for the Subject Electromagnetics

Maxwell’s Equations: differential and integral forms and their interpretation, boundary conditions, wave equation, Poynting vector.

Plane Waves and Properties: reflection and refraction, polarization, phase and group velocity, propagation through various media, skin depth.

Transmission Lines: equations, characteristic impedance, impedance matching, impedance transformation, S-parameters, Smith chart.

Rectangular and circular waveguides, light propagation in optical fibers, dipole and monopole antennas, linear antenna arrays.

## Analysis of Previous GATE Papers for Electromagnetics

Year | Percentage of Marks |
---|---|

2023 | 13% |

2022 | 10 % |

2021 | 10 % |

2020 | 10 % |

2019 | 12 % |

2018 | 13 % |

2017 | 8% |

2016 | 11.3% |

2015 | 9 % |

2014 | 7 % |

2013 | 5 % |

## Recent GATE Paper Questions of Electromagnetics

The following questions have been asked from Electromagnetics , in GATE-EC 2023 Paper.

Q.1. The rate of increase, of a scalar field f(x,y,z) = xyz, in the direction v = (2,1,2) at a point (0,2,1) is

a) 2/3

b) 4/3

c) 2

d) 4

Q. 2 Consider a narrow band signal, propagating in a lossless dielectric medium (ε_{r}=1, μ_{r}=1), with phase velocity v_{p} and group velocity v_{g}. Which of the following statement is true? (c is the velocity of light in vacuum.)

a) v_{p} > c, v_{g} > c

b) v_{p} < c, v_{g} > c

c) v_{p} > c, v_{g} < c

d) v_{p} < c, v_{g} < c

Q.3.The electric field of a plane electromagnetic wave is

E=a_xC_{1x}\cos\left(\omega t-\beta z\right)+a_yC_{1y}\cos\left(\omega t-\beta z+\theta\right)\;V/mWhich of the following combination(s) will give rise to a left handed elliptically polarized (LHEP) wave?

a) C_{1x}=1,\;C_{1y}=1,\;\theta=\frac\pi4

b) C_{1x}=2,\;C_{1y}=1,\;\theta=\frac\pi2

c) C_{1x}=1,\;C_{1y}=2,\;\theta=\frac{3\pi}2

d) C_{1x}=2,\;C_{1y}=1,\;\theta=\frac{3\pi}4

## GATE Paper Solutions for Electromagnetics

Last 25+ years GATE Papers with Authentic Solutions

## Best Course for Electromagnetics

By Mr. Milind Chapekar