Sentences with phrase «pole as the magnet»

Not exact matches

In a magnetic material, such as iron, each atom acts like a tiny bar magnet with its own north and south poles.

As the saying goes, opposites attract, as when an electron races to a positively charged ion, or the north pole of a magnet pulls the south pole of anotheAs the saying goes, opposites attract, as when an electron races to a positively charged ion, or the north pole of a magnet pulls the south pole of anotheas when an electron races to a positively charged ion, or the north pole of a magnet pulls the south pole of another.

If imbued with a quantum - mechanical property known as spin, individual atoms act as tiny bar magnets with north and south poles.

As far as we can tell, though, nature only supplies magnetic charges, or poles, in pairs — the inseparable north and south poles of the bar magnets beloved of school science demonstrations, for examplAs far as we can tell, though, nature only supplies magnetic charges, or poles, in pairs — the inseparable north and south poles of the bar magnets beloved of school science demonstrations, for examplas we can tell, though, nature only supplies magnetic charges, or poles, in pairs — the inseparable north and south poles of the bar magnets beloved of school science demonstrations, for example.

All known magnets have both a north and south pole, as illustrated in the inset image, with lines indicating the direction of the magnetic field.

Due to their spins, the electrons act as tiny magnets where their magnetic poles align with their spins.

Each is composed of building blocks bound together, like a string of small magnetic beads — and just as magnets have poles, these building blocks have «plus» and «minus» ends.

As the electron beam passes through the magnets, it is first attracted to the positive pole of a magnet.

But in 1931, Nobel - prize winning physicist Paul Dirac demonstrated mathematically that single - pole magnets, known as monopoles, could exist.

Yet, despite their widespread use, at room temperature only three elements are ferromagnetic — meaning they have high susceptibility to becoming and remaining magnetic in the absence of a field, as opposed to paramagnetic substances, which are only weakly attracted to the poles of a magnet and do not retain any magnetism on their own.

It's actually anti-chemistry, as though someone was trying to take the north poles of two magnets and force them together, thereby making the repelling reaction that forces such things apart all the more intense.

By the end of this lesson, pupils will: 1) discover that a magnet can be made by stroking a steel bar with the same pole of a permanent magnet from one end to the other end in one direction 2) be able magnetise a needle and use it as a simple compass.