All Questions
3
questions
0
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3
answers
134
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Would this simple design function as an electromagnet?
I was thinking about electromagnets today and a thought popped up in my mind on what would be a very simple way to create an electromagnet.
Although I have not built and tested it, I am pretty sure ...
- 478
1
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0
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24
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Since propagation of electricity takes time, does magnetic field (that iron filings organize around) build up gradually from one end toward the other?
In very long wires, such as hundreds of kilometers, when we flip a switch and turn on the electricity, does the magnetic field (that iron filings organize around) start to form in one direction and ...
- 171
1
vote
1
answer
67
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At what speed does a magnetic field form from the flow of current?
When an electrical current flows through a conductor and produces a magnetic field, does the magnetic field in the conductor form at the drift speed of the electrons in its structure or the velocity ...
- 477