Question

PLEASE I NEED HELP MY GRADES ARE DEAD BROOOOOO

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

Answer 1

The answer is c i think and my grades are low too lollll

Step-by-step explanation:

Answer 2

I think the cause of their conflict is choices d