Two identical and parallel dipole antenna are kept apart by a distance of /4 in the H-plane. They are fed with equal currents but the right most antenna has a phase shift of + 90 . The radiation pattern is given as

• A. <img src="/_files/images/electronics-and-communication-engineering/electromagnetic-field-theory/203-416-1.png">
• B. <img src="/_files/images/electronics-and-communication-engineering/electromagnetic-field-theory/203-416-2.png">
• C. <img src="/_files/images/electronics-and-communication-engineering/electromagnetic-field-theory/203-416-3.png">
• D. <img src="/_files/images/electronics-and-communication-engineering/electromagnetic-field-theory/203-416-4.png">