Multiple choice general knowledge culture Which letter is represented by a single dot in Morse Code? A E K J Reveal answer Fill a bubble to check yourself B Correct answer Explanation In Morse Code, the letter 'E' is represented by a single dot (.). It is the simplest signal because 'E' is the most frequently used letter in English. 'A' is dot-dash (.-), 'K' is dash-dot-dash (-.-), and 'J' is dot-dash-dash-dash (.---).