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Can the effect of a magnetic field can be observed using none metal filings?
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Why are iron filings used to find the magnetic field when copper filings are not?
Copper filings are not attracted to a magnet, as iron filings are.
What is a magnetic field explanation for kids?
Well... you could visually demonstrate a magnetic field. Kids like visual learning tools. You can get a big magnet and put a piece of paper over it. Then take some type of metal filings and sprinkle them over the paper. The metal filings will align themselves in the direction of the magnetic field. You can explain to them about north and south poles. How the magnetic field is attracted to the south pole. Also take a compass and bring it close to the paper and you will see the compass moving in the direction that your sprinkled metal filings have fallen.
What can you infer about magnetic fields and paper?
You can infer nothing about a magnetic field from paper alone, or about paper from a magnetic field. If you put iron filings on a horizontal sheet of paper and put a magnet below the paper, you may be able to visualize the magnetic field of the magnet and thus infer its dipole arrangement.
What is the effect of a magnetic field on a stationary electric field?
The magnetic field will have no effect on a stationary electric charge. ( this means that the magnetic field is also stationary. ) If the charge is moving , relative to the magnetic field then there might be an effect, but the size and direction of the effect will depend on the direction of the electric charge as it moves through the field. If the charge is moving parallel to the field there will be no effect on it. If the charge is moving at right angles to the field then it will experience a force that is mutually orthogonal to the field and direction of the motion. You really need diagrams to properly explain this
What is jupiters magnetic field caused by?
The dynamo effect
Why are iron filings used to find the magnetic field when copper filings are not?
Copper filings are not attracted to a magnet, as iron filings are.
What can you infer about the strength of a magnetic field based upon the position of the iron filings?
The profile of the iron filings reflects that of the magnetic field. When the magnetic field is strong, the lines will be really tight (small separation) and thick (height and width). =========================
How can iron filings provide evidence that a bar magnet has a magnetic field?
They tend to align along the magnetic field lines.
Why aluminium filings can not be used to show the magnetic field?
Aluminum, while recyclable and very useful, is non-magnetic.
How do you find the shape of a magnetic field using a compass?
Yes. I can be done using iron filings and a clear piece of plastic. Pour on the iron filings, put on the plastic, and then the magnet. The iron filings should form the shape of the magnetic field around it. If that does not work, here is a link to a picture... http://www.fi.edu/htlc/teachers/lettieri/magneticfields.jpg Hope that helps.
What is the names of the area around a magnets in which magnetic force can be observed?
The 'magnetic field'
Which is not a property of magnetic field lines?
They can be directly observed.
What is a magnetic field explanation for kids?
Well... you could visually demonstrate a magnetic field. Kids like visual learning tools. You can get a big magnet and put a piece of paper over it. Then take some type of metal filings and sprinkle them over the paper. The metal filings will align themselves in the direction of the magnetic field. You can explain to them about north and south poles. How the magnetic field is attracted to the south pole. Also take a compass and bring it close to the paper and you will see the compass moving in the direction that your sprinkled metal filings have fallen.
What is a magnetic field for kids?
Well... you could visually demonstrate a magnetic field. Kids like visual learning tools. You can get a big magnet and put a piece of paper over it. Then take some type of metal filings and sprinkle them over the paper. The metal filings will align themselves in the direction of the magnetic field. You can explain to them about north and south poles. How the magnetic field is attracted to the south pole. Also take a compass and bring it close to the paper and you will see the compass moving in the direction that your sprinkled metal filings have fallen.
What technique will use to separate ashes and iron filings with water?
separate iron filings AND ash from water by filtration or evaporation then, if required, separate iron filings from ash by using a magnetic field,
What does magnetoresistance do?
Magnetoresistance is an effect observed in (ferro)magnetic conductors. When applying an external magnetic field to the conductor, the resistance of the conductor changes. The resistance is minimized when the magnetic field is aligned parallel to the conductor, and maximized when the magnetic field is aligned perpendicular to the conductor. This effect was first observed by W. Thomson in 1856, and changes in resistance are usually below 1% at room temperature and higher at lower temperatures <5K For further reading: http://en.wikipedia.org/wiki/Magnetoresistance http://en.wikipedia.org/wiki/Electron_scattering
What can you use to show the magnetic field of a magnet for people to see?
Little bits of other magnet. Iron filings - the small pieces of metal will floow the magnetic field lines.
