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Why is magnet unable to stick to a stainless steel refrigerator?
If a magnet doesn't stick to a material, that means that the material is non-magnetic. Every individual atom is a magnet, but in a magnetic material, there are groups of atoms (called "magnetic domains") that have their magnetic directions aligned. An outside magnetic field in such materials will align some of the magnetic domains in the direction of the magnetic field.
Is earth's magnetic field in an closed iron box more than the magnetic field outside the box?
No, the Earth's magnetic field cannot be contained within a closed iron box. Iron is a ferromagnetic material that can distort and redirect magnetic field lines, but it cannot increase the total magnetic field strength. The magnetic field inside the box would be the same as that outside the box.
What is the significance of the z component of the magnetic field outside the solenoid in relation to its overall magnetic field characteristics?
The z component of the magnetic field outside a solenoid is significant because it determines the direction and strength of the magnetic field in that region. It contributes to the overall magnetic field characteristics of the solenoid by influencing the field's orientation and intensity outside the solenoid.
What is the material found outside the cell?
Extracellular material is found outside of the cell.
What are fero magnetic substance?
Ferromagnetic substances are materials that have strong magnetic properties and can be magnetized. They include iron, nickel, and cobalt. These materials can retain their magnetic properties even after the external magnetic field is removed.
Why magnetic field outside the solenoid is zero?
The magnetic field outside a solenoid is nearly zero due to the cancellation of magnetic fields generated by individual current-carrying loops within the solenoid. These loops produce magnetic fields that point in opposite directions, resulting in a net magnetic field of zero outside the solenoid. Additionally, the magnetic field lines tend to stay within the solenoid due to the high permeability of the material surrounding the coils, further reducing the magnetic field outside the solenoid to negligible levels.
How does data get stored in hard disk and CD and what is the role of magnetism in the storage process?
HDDs record data by magnetizing ferromagnetic material directionally, to represent either a 0 or a 1 binary digit. They read the data back by detecting the magnetization of the material. A typical HDD design consists of a spindle which holds one or more flat circular disks called platters, onto which the data is recorded. The platters are made from a non-magnetic material, usually aluminum alloy or glass, and are coated with a thin layer of magnetic material. Older disks used iron(III) oxide as the magnetic material, but current disks use a cobalt-based alloy. The platters are spun at very high speeds (details follow). Information is written to a platter as it rotates past devices called read-and-write heads that operate very close (tens of nanometers in new drives) over the magnetic surface. The read-and-write head is used to detect and modify the magnetization of the material immediately under it. There is one head for each magnetic platter surface on the spindle, mounted on a common arm. An actuator arm (or access arm) moves the heads on an arc (roughly radially) across the platters as they spin, allowing each head to access almost the entire surface of the platter as it spins. The arm is moved using a voice coil actuator or (in older designs) a stepper motor. Stepper motors were outside the head-disk chamber, and preceded voice-coil drives. The latter, for a while, had a structure similar to that of a loudspeaker; the coil and heads moved in a straight line, along a radius of the platters. The present-day structure differs in several respects from that of the earlier voice-coil drives, but the same interaction between the coil and magnetic field still applies, and the term is still used.
Will magnets stick to kitchenaid stainless steel refrigerator?
Magnets are made up of ferromagnetic materials (iron, nickel, cobalt, neodymium alloys, etc.) or even semipermanent magnets. Each of these has a material that has some degree of magnetic permanence, where the spins of the electrons in the substance all align to generate a magnetic field. Refrigerators are made up of ferrous materials, to which magnets can stick, due to magnetic attraction.
What is the strength and direction of the magnetic field outside of a solenoid?
The strength of the magnetic field outside of a solenoid is weak and the direction is similar to that of a bar magnet, flowing from the north pole to the south pole.
What is the best material for a patio table cover?
When looking to cover an outside patio table it is suggested to use a outside based material. The most used material is a thicker plastic material.
The hard material on the outside of teeth?
dentin
The hard material on the outside of your teeth?
The hard material on the outside of your teeth is called enamel. Eating lemons can remove the enamel, and you don't want to do that.
