Consider the following statements:
1. In a full converter, direction of current cannot reverse.
2. Semi-converters are single quadrant converters.
3. A full converter can operate as a two-quadrant converter.
4. A full converter operates as a rectifier in first quadrant and as an inverter in the second quadrant.
5. In a full converter, direction of current cannot reverse but polarity of output voltage can be reversed.
Q. Which of the statements given above are correct?