The ripple frequency of a full wave bridge rectifier working with 230 V, 50 Hz AC mains is 100 Hz. Which of the statement is not true.

• A. The ripple frequency of a half wave rectifier working with the same line is 50 Hz
• B. The ripple frequency of a full wave centre trapped rectifier working with the same line is 200 Hz.
• C. The ripple frequency of a full wave centre tapped rectifier working with the same line is 100 Hz
• D. None of the above