All Questions
6
questions
1
vote
1
answer
81
views
Measurement of Electric field
I am aiming to measure the strength of an electric field at different positions in space. The electric field is generated by a coil, which is driven by an AC current. This work is based on this paper: ...
0
votes
1
answer
56
views
Measure Position of Electron Directly
What is the most directly way to measure the position of free electron in an expirement?
I don't asking about theoretical suggestion but rather on practical expirement which people have done.
- 1,734
2
votes
2
answers
1k
views
How do we determine that an object is neutral?
This has been bothering me for a while. Imagine that you are an experimentalist who does not have any known mass or charge to compare against. Imagine also that you do not have any idea about the ...
- 731
3
votes
1
answer
624
views
Problem on Einstein - de Haas experiment
I am a Physics student (4th year) and I'm trying to study the Einstein - de Haas effect in laboratory.
That is what I got: a suspended Iron cylinder with about 5 cm height and a radius of 0.8 cm is ...
- 133
18
votes
5
answers
2k
views
Can we measure an electromagnetic field?
As far as I can check, the Aharonov-Bohm effect is not -- contrary to what is claimed in the historical paper -- a demonstration that the vector potential $A$ has an intrinsic existence in quantum ...
- 10.6k
58
votes
12
answers
15k
views
Home experiments to derive the speed of light?
Are there any experiments I can do to derive the speed of light with only common household tools?
- 6,000