Ineed my grades are dead br what was the cause of the feud between nikola tesla and thomas edison? question 4 options: a) edison wanted to use dc current and tesla wanted to use ac current. b) they both claimed to have invented home electricity c) the best design for a light bulb d) they were competing over a woman what type of electricity ended up being the one we use in homes? question 5 options: a) dc b) ac c) static d) intra-atomic which device was not invented in the early 1900s? question 7 options: a) electric vacuum cleaner b) electric refrigerator c) electric toaster d) electric car which device changes the voltage of electricity during its journey from power plant to house? question 8 options: a) generator b) turbine c) transformer d) sub-station which is the correct order of events at a power plant? question 9 options: a) coal burned -> heats water -> creates steam -> turns a turbine b) turbine turns -> heats water -> creates steam -> electricity travels down the lines c) coal burned -> transformer changes voltage -> heats water -> creates steam d) heated water -> creates steam -> turns a turbine -> burns coal how many power grids are in the continental united states? question 10 options: a) 1 b) 2 c) 3 d) 4