Question

11. The light bulb was invented by Thomas A. Edison in year 1879 and the movie
camera was invented by him in year 1889. The electric vote recorder was patented
on his name 10 yearsbefore the invention of moviecamera. In which year was electric vote recorderpatented? It was patented how many years before theinvention of light bulb?​

Answer 1

Answer:

11. (a) is the correct answer

Answer 2

Answer:

what is option

Step-by-step explanation:

i don't know