Q&A

Why is the magnetic north pole not at the north pole?

Why is the magnetic north pole not at the north pole?

A magnetic compass does not point to the geographic north pole. A magnetic compass points to the earth’s magnetic poles, which are not the same as earth’s geographic poles. Therefore, the magnetic field lines of the earth run from the southern geographic hemisphere towards the northern geographic hemisphere.

Is the magnetic field only found in the north pole?

There is only one location where this occurs, near (but distinct from) the geographic north pole. The geomagnetic north pole, a related point, is the pole of an ideal dipole model of the Earth’s magnetic field that most closely fits the Earth’s actual magnetic field.

Do magnetic fields have north and south poles?

Geomagnetic Poles Scientists do not fully understand why, but they think the movement of molten metal in the Earth’s outer core generates electric currents. The currents create a magnetic field with invisible lines of force flowing between the Earth’s magnetic poles.

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Is the magnetic field stronger at the north or south pole?

The magnetic field of a bar magnet is strongest at either pole of the magnet. It is equally strong at the north pole when compared with the south pole. The force is weaker in the middle of the magnet and halfway between the pole and the center.

Why is the magnetic north pole different from the geographic North Pole?

The Geographic North Pole is an unfixed geographical point marking the northernmost location on Earth, while the Magnetic North Pole is a constantly shifting pole of the planet’s magnetic field.

Why is the earth’s magnetic north pole really a magnetic south pole?

The magnetic north, actually south pole, and south, actually north pole, are an electromagnet caused by swirling convection currents in the earth’s liquid iron outer core. These currents are heavily influenced by the rotation of the Earth.

Why is north pole magnetic?

The data showed that the position of the north magnetic pole is determined largely by a balance, or tug-of-war, between two large lobes of negative flux at the boundary between Earth’s core and mantle under Canada.

Why is north and south pole magnetic?

Scientists believe that the charges created by the moving metallic material move around Earth’s equatorial region in a circular motion which generates the north and south magnetic poles at the surface, said Ingram.

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Why magnets have north and south pole?

The force of a magnetic field on a particle with spin causes the particle to rotate it’s spin to align with the magnetic field. Taking these two ideas together, then, the Earth’s magnetic field will cause the magnet to align north to south. That’s why people named them the north and south poles.

Why magnet does not have East and West Pole?

Since earth is a magnet having magnetic field one of its pole is very close to Geographical north so to facilitate for navigation is better to call as ‘north’ Since magnets having two poles and opposite to each other, obviously other pole shall be named ‘south. ‘ Hence magnet have no east or west pole.

Why the magnetic field is stronger at the pole?

The closer the magnetic field lines are, the stronger the magnetic field at that point. As we can see in the diagram, the magnetic field lines are closer or denser at the poles. So, the magnetic field is strongest around the poles of the magnet.

Why are magnetic fields stronger closer to the magnet?

the magnetic field lines never cross each other. the closer the lines, the stronger the magnetic field (so the magnetic field from a bar magnet is strongest closest to the poles)

What is the north and South Pole of a wire?

$\\begingroup$ There is no North or South pole in the field around wire. You must understand that the field itself has no poles. Field just consists of field-lines. What we call pole is usually the place when field-lines collide with the physical source of the field (eg. earth, magnet).

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What are the magnetic poles of a magnet?

The concept of magnetic poles only makes sense with respect to permanent magnets/dipoles/solenoids, where the field lines point from one end of the object to the other. In the case of the magnetic field produced by a current, the field lines are in circular alignment around the wire.

Why do magnetic poles have no endpoints?

The concept of magnetic poles only makes sense with respect to permanent magnets/dipoles/solenoids, where the field lines point from one end of the object to the other. In the case of the magnetic field produced by a current, the field lines are in circular alignment around the wire. Hence, there are no endpoints.

Do two wires exert force on each other in a magnetic field?

In addition, when placed in a magnetic field, a wire carrying a current will experience a net force. Thus, we expect two current-carrying wires to exert force on each other. Consider two parallel wires separated by a distance a and carrying currents I1 and I2 in the +x-direction, as shown in Figure 9.2.1.