Electronics

2. John Philip Reis invented the ____.
6. Alexander Graham Bell patented ____.
8. Joseph Swan invented ________ light bulb.
10. ____ are called to those with an interest in electricity.
11. Alessandro Volta invented the ____.
12. First utilization of AC (in ____) by French neurologist Guillame Duchenne.
16. 1928 was the year that the 1st __________ experimental broadcast in the U.S.
17. German physicist Georg Ohm introduced the concept of electrical ____.
19. Italian scientist Luigi Galvani discovered ____ action in living tissue.
20. American inventor Samuel Morse developed telegraph and the ____ code.

1. American scientist Benjamin Franklin explained how ____ jars worked.
3. English scientist Stephen Gray made the distinction between insulators and ____.
4. French scientist Edmond Becquerel discovered the ____ effect.
5. English physicist Michael Faraday published the law of ____.
7. English physicist William Sturgeon developed the first ____.
9. Nicholas Callan invented ____ in Ireland.
13. Heinrich Hertz proved the existence of electromagnetic;________.
14. Lamp Pavel Yablochkov invented electrical carbon ____ lamp.
15. John Dalton discovered the ____ theory.
18. Edwin Herbert Hall discovered the ____ effect.