atoms and emf
About this set
Created by:
lasallegal2012 on October 4, 2009
Subjects:
Log in to favorite or report as inappropriate.
Order by
11 terms
Terms | Definitions |
|---|---|
 atom | basic unit of matter, made of protons, neutrons, and electrons |
| who discovered electrons and when? | jj thomson, 1898 |
| in what lab were electrons discovered | Cavendish Laboratory |
| what does emf stand for? | electromotive force |
| where are electrons? | cathode rays |
| how do electrons travel? | in straight lines |
| when was the crooke's tube invented? | around 1875 |
| what is the crooke's tube used for? | it was where cathode rays were discovered |
| define emf | voltage produced by electric battery or generator, energy supplied by source of electric power |
| what causes emf? | excess of electrons at one point and deficiency of electrons at another. the difference at electric potential energy |
| what makes tvs bright? | phosphorus |
First Time Here?
Welcome to Quizlet, a fun, free place to study. Try these flashcards, find others to study, or make your own.