1
GATE ECE 2016 Set 3
MCQ (Single Correct Answer)
+1
-0.3
If a right-handed circularly polarized wave is incident normally on a plane perfect conductor, then the reflected wave will be
A
right-handed circularly polarized
B
left-handed circularly polarized
C
elliptically polarized with a tilt angle of 450
D
horizontally polarized
2
GATE ECE 2015 Set 2
MCQ (Single Correct Answer)
+1
-0.3
The electric field of a uniform plane electromagnetic wave is $$$\vec E = \left( {{{\overrightarrow a }_x} + j4{{\overrightarrow a }_y}} \right)\exp \left[ {j\left( {2\pi \times {{10}^7}t - 0.2z} \right)} \right]$$$

The polarization of the wave is

A
right handed circular
B
right handed elliptical
C
left handed circular
D
left handed elliptical
3
GATE ECE 2015 Set 1
Numerical
+1
-0
The electric field component of a plane wave traveling in a lossless dielectric medium is given by $$$\overrightarrow E \left( {z,t} \right) = {\widehat a_y}2\cos \left( {{{10}^8}t - {z \over {\sqrt 2 }}} \right)V/m.$$$

The wavelength )in m) for the wave is

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4
GATE ECE 2014 Set 2
MCQ (Single Correct Answer)
+1
-0.3
Which one of the following field patterns represents a TEM wave traveling in the positive $$x$$ direction?
A
$$E = + 8\widehat y,\,\,H = - 4\widehat z$$
B
$$E = - 2\widehat y,\,\,H = - 3\widehat z$$
C
$$E = + 2\widehat y,\,\,H = + 2\widehat z$$
D
$$E = - 3\widehat y,\,\,H = + 4\widehat z$$
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