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Magnetism of a substance depends on the movements of the surface electrons. We know that when a charged particle moves in a direction it generates a field in the perpendicular to the direction of motion. this field has the tendency to attract iron particles and thus called a magnetic field.
All metals have free surface electrons but only some has the tnedency to magnetise easily. Read about diamagnetism, paramagnetism and ferromagnetism.
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∙ 9y ago
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What do the north poles of magnets attract?
the south poles
Why are there no poles on disc magnets?
They do
What do like poles on magnets do?
Like poles repel; opposite poles attract.
What are the end of magnets called?
When two magnets are brought close to each other and they try to move apart, we say the two magnets each orher
What do magnets do to unlike poles?
Force
Do simple magnets have two poles?
all magnets have two poles
What are the two main properties of magnets?
Magnets have two poles north and south. Like poles repel and unlike poles attract.
What is a magnadur?
Permanent bar magnets are those bar-shaped magnets with opposite poles at either end. Magnadur magnets are ceramic magnets with their poles on their flat faces.
What do the north poles of magnets attract?
the south poles
Why are there no poles on disc magnets?
They do
What do like poles on magnets do?
Like poles repel; opposite poles attract.
Do bar magnets have south and north poles?
Yes. All magnets of north and south poles. There is no such thing as a magnetic monopole.
Where is a a bar magnets strongest pull?
A magnets pull is strongest at the poles.
What are the end of magnets called?
When two magnets are brought close to each other and they try to move apart, we say the two magnets each orher
What do magnets do to unlike poles?
Force
Where are magnets most strong at?
at the poles
What are the ends or magnets called?
Poles
