Magnetism

They have the strongest magnetic forces :) precious

False only a north and north would repel and south with south would repel

Opposites attract

Factors that can weaken a magnet include exposure to high temperatures, physical impacts or drops, and demagnetizing fields. These elements can affect the alignment of the magnetic domains within the magnet, reducing its overall magnetic strength.

Weight and size do not affect an object's attraction to a magnet. The key factor is the object's composition - specifically the presence of magnetic materials like iron, nickel, or cobalt. Texture also does not play a significant role; as long as the material is magnetic, it will be attracted to a magnet.

The iron in your food is not the same type as the iron that sticks to magnets. The iron in food is typically in the form of heme iron, which is bound to proteins and is essential for human health. The iron that sticks to magnets is typically metallic iron, which is not found in food but is commonly used in industrial applications.

A freely suspended magnet would align itself along the north-south direction due to Earth's magnetic field. This alignment happens because the north pole of the magnet points towards the Earth's magnetic north pole.

When current is passed through a solenoid coil, magnetic field produced due to each turn of solenoid coil is in the same direction. As a result the resultant magnetic field is very strong and uniform. The field lines inside the solenoid are in the form of parallel straight lines along the axis of solenoid. Thus, the solenoid behaves like a bar magnet.

force that represent the direction in which a magnetic object would move if placed in the field. These lines form a pattern that helps to visualize the strength and direction of the magnetic field. The density of the lines indicates the strength of the magnetic field at a particular point.

No, breaking a magnet in two does not isolate the north and south poles. Each resulting piece would still have its own north and south poles. A magnet will always have both north and south poles regardless of its size or shape.

A magnetic period is a specific duration of time during which the Earth's magnetic field undergoes reversals, where the magnetic North and South poles switch places. These reversals occur over thousands of years and are recorded in rocks and sediments as a series of stripes of alternating magnetic polarity.

Any of the two poles will work. It will induce magnetism in the iron.

This is because of the polarity of the magnetic field and how north interact with south.

In the middle of the magnet, the magnetic field is sort of neutral.

The further away from middle and the stronger the force will be.

When the magnetic fields of two or more magnets overlap, they either reinforce each other (attraction) or cancel each other out (repulsion), depending on their alignment and orientation. This interaction is described by the laws of magnetism, where opposite poles attract and like poles repel each other.

magnet has two poles..one is north pole n the other is south pole. the earth also has a magnet within it which has a dierction opposite to the direction of the geographical poles.i.e. the geographical north of earth is its magnetic south and vice versa. If a bar magnet is suspended freely , its one end is attracted to the magnetic north which is geographical south of earth n therefore that end of the magnet is called south pole.and the other end is called north pole.

When you try to put two magnets together with their like poles facing each other (north to north or south to south), they repel each other due to the magnetic force pushing them apart. This is because like magnetic poles repel each other while opposite poles attract.

No, humans are not magnetic. While our bodies do contain trace amounts of iron, the level is too low to exhibit magnetic properties. Unlike certain animals such as birds and fish which can detect Earth's magnetic field, humans do not have this ability.

The symbol "B" was historically used by Faraday for magnetic induction. Meanwhile, "M" is commonly used for magnetization in materials, so using "B" helps to differentiate between the two concepts. It also aligns with the International Electrotechnical Commission's standard symbol for magnetic flux density.

Yes, they can magnetise soft iron. Not sure about demagnetising though. I assume that if more than one or two were placed around the soft magnet, it could demagnetise it..

However, the soft iron would need to be 'hit' so that the poles in the iron can allign with the magnetic fields due to the electro magnet.

Each atom acts like a tiny magnet. When the atoms are aligned, the magnets produce magnetism. When an iron or nickel material comes near the magnet, its atoms align with the different pole facing the magnet. For example, if the magnet's atoms have the North side facing away, then the iron object will have the South side facing the magnet. So then they attract.

A pure hydrocarbon/fluorocarbon plastic contains no ferromagnetic material, so it will not be influenced by a magnet.

If a plastic is loaded with ferromagnetic material (such as iron particles), then it will be influenced by an electromagnet.

Ceramic materials loaded with ferromagentic materials, known as ferrites, are widely used in electrical and electronic equipment.

1. Both magnets and electromagnets have a magnetic field that can attract or repel objects.
2. They can both be used to pick up and manipulate metal objects.
3. Both magnets and electromagnets rely on the alignment of the magnetic domains in their material to generate a magnetic force.

Initially, no.

At a certain temperature the bar would suddenly lose its magnetism. This temperature is known as the Curie point of the material.

If the magnetism of the bar came from an external source - a solenoid or a permanent magnet - the field would return to its original strength as soon as the bar cooled below the Curie point.

If the bar had been itself a permanent magnet almost all the field would stay gone until the bar was re-magnetised by an external field.

The geographic poles and magnetic poles of the Earth are different because they are determined by different factors. The geographic poles are the points on the Earth's surface where its axis of rotation intersects, while the magnetic poles are based on the Earth's magnetic field generated by its core. The movement of molten iron in the outer core creates the Earth's magnetic field, which can cause the magnetic poles to shift and not align perfectly with the geographic poles.

a naturally occurring magnet composed of a form of iron called magnetite