Question 2: Chapter 3 Thyristors (1) True or False: (i) a thyristor can conduct current in both the forward and reverse directions: (ii) a thyristor can block voltage in both the forward and reverse directions: (iii) a thyristor can be turned on and off by a signal applied to its gate terminal: (2) Sketch a simple model for a thyristor that explains its fundamental characteristics. (3) Once on, a thyristor behaves as a.......... (4) Explain what is meant by the "latching current" and "holding current". Which is larger? What is the minimum number of gate-drive power supplies required for a 6 switch 3-phase thyristor rectifier?