In this situation they act as a magnet - but only whilst in the magnetic field. This is called induced ... Magnetic fields lines are invisible but they fill the space around a magnet where the ...

The magnetic field lines of a bar magnet can be viewed by using compasses or by shaking iron filings onto a platform above the magnet. Place the magnet on top of the paper in view of the document ...

Converting a magnet to a non-magnet is called demagnetisation ... Although we cannot see magnetic field lines, we can detect them using iron filings. The tiny pieces of iron line up in a magnetic ...

That is, unless you’ve got one of these nifty magnetic field ... able to track the poles of a magnet in real-time and produce an approximation of what the field lines would look like on its ...

During a brief but dramatic chapter in Earth's history about 41,000 years ago, the planet’s magnetic field nearly collapsed.

The magnetic north pole, meanwhile, is the point in the Northern Hemisphere where Earth's magnetic field lines point directly ... than that of a regular bar magnet, the magnetic south pole ...

(b) neutral wire. (c) earth wire. 3. Draw magnetic field lines around a bar magnet. Name the device which is used to draw magnetic field lines. 4. Why does a compass needle get deflected when ...

the angle at which magnetic field lines intersect the Earth. The turtles use these two pieces of information, which vary at every point on the planet's surface, as navigational markers that help ...