All Questions
3
questions
1
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168
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Why is an electric dipole neutral overall and still has energy?
We are taught that only charged particles have an electric field in their vicinity and a neutral object does not. But a dipole is neutral overall and still produces an electric field. Why?
- 13
1
vote
3
answers
569
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How can sawdust do this in an electric field?
I found this really weird question and I was hoping for some insight.
Suppose we have a glass plate that's filled with oil. Some sawdust is sprinkled on top, such that it floats around. It looks like ...
- 2,356
0
votes
2
answers
953
views
What is the effect of water molecules in an oscillating electric field?
Say, we have an alternating current source of max voltage V, and frequency v= 1 GHz connected to 2 plates as in a capacitor with an air gap of distance d, thus we get an oscillating electric field E, ...
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