Question 6: In 1878, in the US, ________
developed and sold a commercially viable replacement for gas
lighting and heating using locally generated and distributed direct current
electricity.
Question 8: In 1888, Tesla's work came to the attention of ________, who owned a patent for a type of transformer that
could deal with high power and was easy to make.
Question 9: This
system was powered from a water wheel on the ________, which drove a Siemens alternator that supplied
a number of arc lamps within the town.
Question 10: The electrical power industry provides the
production and delivery of electrical power (electrical energy), often known as
power, or electricity, in
sufficient quantities to areas that need ________ through a grid.