(5) (i) Explain how full-wave rectification can be achieved when four diodes are used. (ii) Draw the output graph for half-wave rectification. (iii) What is a filter? (iv) Mention two advantages of capacitor filters. (v) Calculate the current Idc flowing through a 100 resistor connected to a 240Vrms single phase half-wave rectifier and also the power consumed by the load.