- #1
- 7
- 2
No, the PF does not work like that. It is not for logs/blogs -- it is for answering specific questions, generally one question per thread. Please confine this thread here to your specific question about currents in wire loops and magnetizing bolts. Thank you.Quarinteen said:Summary:: Hello I was working on a project and got side tracked with EM fields. I opened this thread in hopes to add to it and keep it sort of like a running log. I want to start at ground 0 like a kid and expand on that base. With that let me just start with my first question.
No. It would take either a current in the wire as @Drakkith says, or a permanent magnet nearby. The Google search term would be Magnetic Induction.Quarinteen said:If you take copper wire and wrap it tightly around a bolt will that alone create and hold a magnetic field?
Sorry let me clarify. I did not mean like a blog. It will be a running question about this topic. I will just add future questions about the same topic to this instead of opening a bunch of threads. If that is acceptable.berkeman said:No, the PF does not work like that. It is not for logs/blogs -- it is for answering specific questions, generally one question per thread. Please confine this thread here to your specific question about currents in wire loops and magnetizing bolts. Thank you.![]()
We can give it a try to see what happens. Please read through the link that I posted above and let us know if you have specific questions. Thank you.Quarinteen said:Sorry let me clarify. I did not mean like a blog. It will be a running question about this topic. I will just add future questions about the same topic to this instead of opening a bunch of threads. If that is acceptable.
That’s what I thought, but it seems I have an exception.Drakkith said:As long as you have current running through the coil, yes. To get a permanent magnet the bolt would have to be made of a specific material. I'm not sure regular steel is easily magnetized permanently.
An EM (electromagnetic) field is a physical field that is created by electrically charged particles and is responsible for the interaction between electrically charged particles. It is composed of both electric and magnetic components and can exist in a vacuum.
In an experiment, an EM field can be measured using instruments such as an electromagnetic field meter or a Gaussmeter. These instruments can detect and measure the strength and direction of the EM field at a specific location.
Magnetic induction is the process by which a changing magnetic field can induce an electric current in a conductor. This phenomenon was first discovered by Michael Faraday and is the basis for many modern technologies such as generators and transformers.
Magnetic induction can be demonstrated in an experiment by using a coil of wire and a magnet. When the magnet is moved inside the coil, a current is induced in the wire. This can be observed by connecting the ends of the wire to a light bulb, which will light up when the magnet is moved.
EM fields and magnetic induction have a wide range of applications in modern technology. Some examples include electric generators, transformers, motors, MRI machines, and wireless charging devices. They are also used in everyday objects such as speakers, doorbells, and credit cards.