An electric iron is rated 1000 W, 230 V.
(i) Calculate the current drawn by the iron when it is in use.
(ii) From the following standard cartridge fuse ratings, select the most suitable one for the iron and justify your choice: 3 A, 5 A, 10 A, 13 A.
(iii) State what would happen if a 15 A fuse were fitted in place of the chosen fuse when the iron develops an internal fault that causes its power consumption to rise to 1600 W.