An electromagnet is a type of magnet in which the magnetic field is produced by an electric current. Electromagnets can be used to create a temporary magnetic field or a more permanent one, depending on the type of material used to make the electromagnet. Electromagnets are commonly used in motors, loudspeakers, doorbells, and many other …
Magnetic needles are usually artificial magnetic alloys are used to make artificial magnet . How do make strong magnet using alloys? Making strong magnets from alloys involves combining different metals with specific magnetic properties. The most common strong magnets are made from alloys of iron, cobalt, and nickel. The process begins by melting the metals …
Strong magnet using alloys – ലോഹസങ്കരങ്ങളാണ് കൃത്രിമ കാന്തികമാക്കാൻ ഉപയോഗിക്കുന്നത് Read More »
Permeability is a measure of the ease with which a material, such as soil or a rock, allows fluids or gases to pass through it. It is measured in terms of the rate of flow of a fluid or gas through a given thickness of the material. The higher the permeability, the easier it is …
Susceptibility is the measure of how easily a material can be magnetized, while retentivity is the measure of how much magnetism a material can retain after being magnetized. Whereas susceptibility is a measure of the ease of magnetization, retentivity is a measure of how long the magnetism remains after the magnetizing force is removed. Magnetic …
Susceptibility and retentivity – വശഗതയും റിറ്റന്റിവിറ്റിയും Read More »
Magnetic induction is the process by which a magnetic field induces a voltage in a conductor. In soft iron, magnetic induction occurs more easily than in steel because of its higher permeability. This means that when a magnetic field is applied to soft iron, it will induce more voltage than if the same field were …
Magnetic induction in soft iron and steel – മൃദുവായ ഇരുമ്പിലും ഉരുക്കിലും കാന്തികപ്രേരണം Read More »
Induced magnetism is the magnetism that occurs in a material due to the influence of an external magnetic field. It is caused by the alignment of magnetic dipoles in the material in response to the external magnetic field. It is different from permanent magnetism, which is caused by the alignment of magnetic dipoles within the …
Magnetic induction is the production of an electromotive force (emf) in a closed circuit when the magnetic field that passes through the circuit is changing. It is a fundamental principle of electromagnetism, which underlies the functioning of electric generators, electric motors, and inductors. Magnetic induction is used in a variety of applications, from power generation …
Ferromagnetic materials are substances that are strongly attracted to magnets. Examples of ferromagnetic materials include iron, cobalt, nickel, and some rare earth metals.
Magnetic force is a force that is created by magnets and is used to attract or repel other magnets or certain materials. It is the interaction between two magnetic forces which can either be attractive or repulsive. The force is caused by the magnetic field generated by the magnets and can be used to move …
Magnetic flux density is a measure of the strength of a magnetic field. It is measured in units of tesla (T) or gauss (G). Magnetic flux density is an important quantity in physics and engineering, as it is used to calculate the force exerted by a magnetic field on a moving electric charge or a …
Magnetic flux density – കാന്തിക ഫ്ലക്സ് സാന്ദ്രത Read More »