A. Philips
B. Robert
C. Edison
D. William
Related MCQs:
In 1940, first electronic computer was invented by_______? When was the game Frisbee invented? Who invented optical fiber? When was helicopter Invented? Edwin Budding who invented Lawnmover belongs to__________? The World Wide Web was invented by____________? According to the definition of 1 KWh, a 100 watt bulb consumes one unit of electricity in____________? Eyeglasses are invented in Italy in________? Radio was invented by_____________in 1895? Who invented the safety pin? The Battery was invented by? The US president who invented the swivel chair, the spherical sundial, the moldboard plow, and the cipher wheel was___________?