Inventions What Enrico Fermi invented? X ray machine Betatron Cyclotron Nuclear reactor X ray machine Betatron Cyclotron Nuclear reactor ANSWER DOWNLOAD EXAMIANS APP
Inventions Which of the following was first patented by an Australian in 1889? Electric Drill Electric Fence Electric Shaver Electric Heater Electric Drill Electric Fence Electric Shaver Electric Heater ANSWER DOWNLOAD EXAMIANS APP
Inventions Who among the following invented the small pox vaccine? Robert Koch Edward Jenner Louis Pasteur Robert Hooke Robert Koch Edward Jenner Louis Pasteur Robert Hooke ANSWER DOWNLOAD EXAMIANS APP
Inventions What invention is credited to the Russian born American inventor Vladimir Kosma Zworykin? Television Dishwasher Radio Telegraph Television Dishwasher Radio Telegraph ANSWER DOWNLOAD EXAMIANS APP
Inventions Benjamin Franklin was a prolific inventor. He invented the lightning rod, the Franklin stove, studied electricity, discovered the Gulf Stream, started the first library, and on and on. Among his many other inventions, what musical instrument did he invent? Harmonium Oboe Clarinet Banjo Harmonium Oboe Clarinet Banjo ANSWER DOWNLOAD EXAMIANS APP