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The electric field of a uniform plane electromagnetic wave is

$$\overrightarrow{E} = \left(\overrightarrow{a}_{x} + j 4 \overrightarrow{a}_{y}\right) \text{exp }[j(2\pi \times 10^{7}t – 0.2z)].$$

The polarization of the wave is

1. right handed circular
2. right handed elliptical
3. left handed circular
4. left handed elliptical