Which of the following pattern represents the array factor of a two element array separated by a distance of /4 and phase difference is 0?

• A. <img alt="FThe array factor of two element array separated by distance of /4 - option a" class="alignnone size-full wp-image-275934" height="188" src="https://www.sanfoundry.com/wp-content/uploads/2020/05/antenna-array-questions-answers-factors-q4a.png" width="192"/>
• B. <img alt="The array factor of two element array separated by distance of /4 - option b" class="alignnone size-full wp-image-275933" height="188" src="https://www.sanfoundry.com/wp-content/uploads/2020/05/antenna-array-questions-answers-factors-q4b.png" width="195"/>
• C. <img alt="The array factor of two element array separated by distance of /4 - option c" class="alignnone size-full wp-image-275932" height="194" src="https://www.sanfoundry.com/wp-content/uploads/2020/05/antenna-array-questions-answers-factors-q4c.png" width="229"/>
• D. <img alt="The array factor of two element array separated by distance of /4 - option d" class="alignnone size-full wp-image-275931" height="193" src="https://www.sanfoundry.com/wp-content/uploads/2020/05/antenna-array-questions-answers-factors-q4d.png" width="206"/>