Who switched on the world's first large-scale electrical supply network?

A. Albert Einstein

B. Alexander Graham Bell

C. Benjamin Franklin

D. Thomas Edison

Answer: Option D

Solution(By Examveda Team)

Thomas Edison invented a less powerful incandescent lamp in 1879, and in September 1882 only a month before the inaugural issue of POWER magazine was published he established a central generating station at Pearl Street in lower Manhattan.