The expression for an electric field in free space is E = E_{0} (x^{\^} + y^{\^} + j2z^{\^}) e^{−j (\omega t−kx + ky) }, where x,y,z represent the spatial coordinates, t represents time, and ω, k are constants. This electric field

Correct Answer is : represents an elliptically polarized plane wave propagating along the x-y plane.

does not represent a plane wave

represents a circularly polarized plane wave propagating normal to the z-axis.

represents an elliptically polarized plane wave propagating along the x-y plane.

represents a linearly polarized plane wave.

GATE Electronics and Communications (EC) 2017 Shift 1 Solved Paper

Question : 64 of 65

Marks: +1, -0

The expression for an electric field in free space is

E = E_{0} (x↖{\^} + y↖{\^} + j2z↖{\^}) e^{−j (ω t−kx + ky) }

, where x,y,z represent the spatial coordinates, t represents time, and ω, k are constants. This electric field

does not represent a plane wave
represents a circularly polarized plane wave propagating normal to the z-axis.
represents an elliptically polarized plane wave propagating along the x-y plane.
represents a linearly polarized plane wave.

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