Asked by Soly
please check my answers and help me with the first one.
how can you charge an object negatively with only the help of a positively charged object?
-This one I am not too sure,
when one material is rubbed against another electrons jump readily from one to the other but protons do not. why is this? (think in atomic terms)
-Is it because they are in an excited state
how do electrical field lines indicate the strength of an electric field?
-The closer they are together, the stronger the electric field.
how can you charge an object negatively with only the help of a positively charged object?
-This one I am not too sure,
when one material is rubbed against another electrons jump readily from one to the other but protons do not. why is this? (think in atomic terms)
-Is it because they are in an excited state
how do electrical field lines indicate the strength of an electric field?
-The closer they are together, the stronger the electric field.
Answers
Answered by
drwls
1) See "charging a single sphere by innduction" here:
http://www.glenbrook.k12.il.us/gbssci/phys/class/estatics/u8l2b.html
2) No. Some of the electrons are free to move from atom to atom as a result of friction, but the nuclei are not.
3) yes
http://www.glenbrook.k12.il.us/gbssci/phys/class/estatics/u8l2b.html
2) No. Some of the electrons are free to move from atom to atom as a result of friction, but the nuclei are not.
3) yes
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