GATE ECE
Electromagnetics
Miscellaneous
Previous Years Questions

## Marks 1

Consider a wireless communication link between a transmitter and a receiver located in free space, with finite and strictly positive capacity. If the ...
Light from free space is incident at an angle $${\theta _1}$$ to the normal of the facet of a step-index large core optical fibre. The core and claddi...

## Marks 2

The permittivity of water at optical frequencies is $$1.75{\varepsilon _0}$$. It is found that an isotropic light source at a distance d under water f...
An optical fiber is kept along the$$\widehat Z$$ direction. The refractive indices for the electric fields along $$\widehat X$$ and $$\widehat Y$$ di...
A radar operating at 5 GHz uses a common antenna for transmission and reception. The antenna has a gain of 150 and is aligned for maximum directional ...
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