In our coordinate system that is x and y coordinate system this electric field E will have two components, what is the unit vector along E, it will have a component along -z direction because you can decompose its electric field into -z and +x component.
इसमें एक भाग -z दिशा में होगा क्योंकि आप इसके विद्युत क्षेत्र को -z और + x भाग में तोड़ सकते हैं।