Which of the following is NOT true for a rectifier?

• A. The working of a half wave rectifier takes advantage of the fact that diodes allow current flow in multiple directions.
• B. Half wave rectifiers use one diode, while a full wave rectifier uses multiple diodes.
• C. A rectifier can consist of a single diode or a group of diodes.
• D. A rectifier is a device that converts alternating current (AC) to direct current (DC).