Donahue, Danny. "How To Make A Magnetic Field"sciencing.com, https://www.sciencing.com/magnetic-field-4829278/. 24 April 2017. APA Donahue, Danny. (2017, April 24). How To Make A Magnetic Field.sciencing.com. Retrieved from https://www.sciencing.com/magnetic-field-4829278/ Chicago Donahu...
The easiest way to create a powerful magnetic field is by creating a powerful electromagnet. Electromagnets are used for everything from powering tiny electronic switches (called relays) to lifting huge pieces of scrap metal. The density of the winding, the amount of current flowing through the m...
This bottle is hypnotizing. You will not be able to put it down. It’s as if your hands are now magnetized too and must procrastinate all work and housekeeping in order to see how the magical ink shards move around. We had to make three of these so that all of us had one to play...
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How to make a magnetic field stronger. How can you create a uniform magnetic field using an electromagnet? How do you calculate magnetic fields? How to find electric field from magnetic field? How is electromagnetism created? Why does electricity produce magnetism?
Wayne M. Saslowelectricity magnetism & lightSaslow, W. M., 2002, "How Electric Currents Make Magnetic Field: The Biot- Savart Law and Ampe`re's Law," Electricity, Magnetism, and Light, Academic Press, Cambridge, MA, pp. 460-504....
which made the needle behave like a magnet. You had to rub in one direction to get the atoms to all line up in the same manner. If you had rubbed back and forth, the atoms would not have lined up as well, and the magnetic field would probably not be as strong, if one was create...
How to make a magnetic field stronger. How is the magnetic field oriented around a magnet? How do you increase the magnetic field of a magnet? How to create a static magnetic field. What is an induced magnetic field? How does the magnetic field act like a shield?
They are able to make a smell map of their flying area. Some animals can sense the earth's magnetic field (磁场),while humans can't.This magnetic field guides a certain kind of fish when they swim a long way to a place and then back.How can this kind of fish do that?It is ...
To make a magnet repel a metal, one must first understand the properties of a magnet. A magnet has two poles, a north pole and a south pole. When magnets are placed near each other, opposite poles attract and like poles repel one another. When a metal enters a magnetic field, all of...