-
Why are neodymium magnets expensive?May 01, 2019Neodymium magnets are considered strong because they resist demagnetization and have a high saturation magnetization. The saturation magnetization is
-
What are neodymium magnets?Apr 29, 2019Neodymium magnets include sintered NdFeB magnet and bonded NdFeB magnet. Sintered NdFeB magnets, i.e. sintered neodymium iron boron magnets, are th
-
In what devices are permanent magnets most commonly found?Apr 07, 2019There are 4 categories of Permanent Magnet applications: Cat 1: The magnet’s attraction or repelling force. The simplest use of magnets. A refrig
-
What is a permanent magnet?Apr 05, 2019 A permanent magnet is a material in which the magnetic fields of all, or a majority, of its magnetic components can be persuaded to align in the sa
-
What is the difference between an electromagnet and a permanent magnet?Apr 04, 2019A permanent magnet (a relatively homogeneous block of ferromagnetic material) retains its overall, bulk, magnetic polarity when nothing is influencin
-
What element is used to make permanent magnets?Apr 03, 2019Usually ferromagnetic or ferrimagnetic materials are used for making permanent magnets these materials includes iron, nickel, cobalt and some rare ear
-
How do you make a permanent magnet?Jan 02, 2019Some magnets, known as permanent magnets, exert a force on objects without any outside influence. The iron ore magnetite, also known as lodestone, is
-
What is the difference between an induction motor and a permanent magnet motor?Dec 31, 2018One of the most common electric motor used in most applications which is known as induction motor. This motor is also called as asynchronous motor be
-
How does a permanent magnet relate to photons?Dec 30, 2018Photons are like ripples in the electromagnetic field Think of a large scale magnetic field as the ocean: it happens to have a surface that isn't fl
-
How does a permanent magnet work?Dec 28, 2018Permanent magnets are magnetic because they are made of permanent magnets. Every electron is a magnetic dipole, with an associated magnetic field.
-
What are some applications of permanent magnets?Dec 24, 2018Scientists use four basic ways to categorize magnets, based on how their magnetic force is used. These applications are the simplest use of magnets.
-
What is the difference between permanent and temporary magnets?Dec 23, 2018Physics recognizes permanent magnets and electromagnets. The most common permanent magnets contain iron. Steel is a general term for an iron-based met











