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Magnetic Materials

Diamagnetic, Paramagnetic, and Ferromagnetic Materials. When a material is placed within a magnetic field, the magnetic forces of the material''s electrons will be affected. This effect is known as Faraday''s Law of Magnetic Induction. However, materials can react quite differently to the presence of an external magnetic field.

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Class 13 Magnetic Fields |LASP|CUBoulder

This is a strong indication that the magnetic fields are really not dipoles (like bar magnets) but more complex structures. Next, let''s look at the orientations of the magnetic fields: Earth, Jupiter and Saturn have fields that are oriented within ~10 degrees of the spin axis.

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How Do You Measure the Magnetic Field? | WIRED

The magnetic field will create a "sideways" change in electric potential across the material which you can measure. Using this change in potential and the size of the material, you get the ...

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FreeFloating Exoplanet Has Extremely Strong Magnetic Field

Artist’s conception of SIMP01365, an object with times the mass of Jupiter, but a magnetic field 200 times more powerful than Jupiter’s.

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What is Magnetism? | Magnetic Fields Magnetic Force

65,000 magnetic field lines per square inch. Now, 1Gauss is about magnetic field lines per square inch. If you place the tip of your index finger to the tip of your thumb, enclosing approximately 1 square inch, four magnetic field lines would pass through that hole due to the earth''s magnetic field! Measuring the strength of magnets. 1.

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WHO | What are electromagnetic fields?

Metal detectors and airport security systems set up a strong magnetic field of up to 100 µT that is disturbed by the presence of a metal object. Close to the frame of the detector, magnetic field strengths may approach and occasionally exceed guideline levels.

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electromagnetism How strong is Earth''s magnetic field in ...

The magnetic field strength ON Earth''s surface, has a distance to the poles dependent on latitude. Unfortunately, magnetic fields are more complicated than gravitational fields (gravity is very symmetric), and except very near the Earth, a twopole magnet is not a good approximation of the actual shape of Earth''s field.

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Pacemaker Safety KJ Magnetics Strong Neodymium ...

We have always been cautious about making broad statements about how pacemakers might behave in strong magnetic fields. Our FAQ has always deferred to medical professionals: What is a safe distance to keep magnets away from pacemakers? We are not medical professionals, so we cannot offer guidance on pacemaker safety.

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Copper''s Surprising Reaction to Strong Magnets | Force ...

Jan 26, 2018· In this video I experiment with Lenz''s Law And Faraday''s Law of Induction to generate electricity and magnetic force fields in copper. Check out my sponsor Brilliant for a really fun way to learn ...

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What are magnetic fields? (article) | Khan Academy

What are magnetic fields? This is the currently selected item. Magnetic force between two currents going in the same direction. ... When the compass is placed in a strong magnetic field, the forces of attraction and repulsion turn the needle until it is aligned with the direction of the field.

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Physicists Propose A Way to Make Magnetic Fields That Are ...

Physicists Propose A Way to Make Magnetic Fields That Are Stronger Than Any on Earth. ... Theoretically, this method can produce a very strong magnetic field. But how strong?

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Field for a single bar magnet Magnet Man Cool ...

When the field lines are close together, the magnetic field is strong. When the field lines are far away from one another, the magnetic field is weak. A unit of measure of the strength of the magnetic field is the Gauss or the Tesla. So, let''s look at some field lines and magnetic fields around various magnets.

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Record Breaking Magnetic Field 50 Million Times Stronger ...

The magnetic field is the largest ever generated indoors and has major implications for the development of nuclear fusion. ... creating the strong magnetic field. View of the EMFC generator that ...

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Earth''s Magnetic Field | HowStuffWorks

The magnetic field of the Earth is fairly weak on the surface. After all, the planet Earth is almost 8,000 miles in diameter, so the magnetic field has to travel a long way to affect your compass.

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How to Create a Powerful Magnetic Field | Sciencing

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 amount of current flowing through the magnet and the material the wire is wrapped around determine how strong ...

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Magnetic field Wikipedia

The magnetic field of larger magnets can be obtained by modeling them as a collection of a large number of small magnets called dipoles each having their own m. The magnetic field produced by the magnet then is the net magnetic field of these dipoles. And, any net force on the magnet is a result of adding up the forces on the individual dipoles.

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Strongest and Weakest Parts of a Magnet ThoughtCo

Did you know that the magnetic field of a magnet is not uniform? The strength of the field varies depending on its location around the magnet. The magnetic field of a bar magnet is strongest at either pole of the magnet. It is equally strong at the north pole when compared with the south pole.

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Why do planets have magnetic fields? | Space Facts ...

Magnetic fields protect a planet from the charged particles streaming out from the Sun in the form of the solar wind. The particles are deflected outwards by the magnetic field lines. Earth has a strong magnetic field because it has a liquid conducting core composed of ironnickel that rotates swiftly every 24 …

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Magnetic Field Signs, Magnetic Field Warning Signs

Magnetic Field Signs. In facilities where machines and equipment utilize strong magnets to generate magnetic fields, it is crucial to make everyone aware of the dangers this type of equipment can pose.

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The Magnetic Fields of Our Solar System | Apex Magnets Blog

Magnetic fields are generated by the movement of magnetic material located inside the planet, usually at the core. ... The Magnetic Fields of Our Solar System. This entry was posted on May 29, ... It’s billions of years old and recently discovered data suggests that it was at one point as strong …

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magnetic field | Definition Facts |

Magnetic fields may be represented by continuous lines of force or magnetic flux that emerge from northseeking magnetic poles and enter southseeking magnetic poles. The density of the lines indicates the magnitude of the magnetic field. At the poles of a magnet, for example, where the magnetic field is strong, the field lines are crowded together, or more dense.

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