S Chand Fundamentals of Magnetism and Electricity by DN Vasudeva
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- Magnetism is a class of physical phenomena that are mediated by magnetic fields. Electric currents and the magnetic moments of elementary particles give rise to a magnetic field, which acts on other currents and magnetic moments. The most familiar effects occur in ferromagnetic materials, which are strongly attracted by magnetic fields and can be magnetized to become permanent magnets, producing magnetic fields themselves.
- Only a few substances are ferromagnetic; the most common ones are iron, nickel and cobalt and their alloys. The prefix ferro- refers to iron, because permanent magnetism was first observed in lodestone, a form of natural iron ore called magnetite, Fe3O4. Although ferromagnetism is responsible for most of the effects of magnetism encountered in everyday life, all other materials are influenced to some extent by a magnetic field, by several other types of magnetism.
- Paramagnetic substances such as aluminum and oxygen are weakly attracted to an applied magnetic field; diamagnetic substances such as copper and carbon are weakly repelled; while antiferromagnetic materials such as chromium and spin glasses have a more complex relationship with a magnetic field. The force of a magnet on paramagnetic, diamagnetic, antiferromagnetic materials is usually too weak to be felt, and can be detected only by laboratory instruments, so in everyday life these substances are often described as non-magnetic.
| Product Name | S Chand Fundamentals of Magnetism and Electricity by DN Vasudeva |
|---|---|
| ISBN / Product Code | 9788121909556 |
| Author | D N Vasudeva |
| Binding | Paperback |
| Publisher | S Chand & Company |
| Subject : College Books | Electricity & Magnetism |
| HSN Code | 4901 |
| Company Details | Published by S Chand and Company Ltd , Hero Cycle Compound Plot no-8, Sahibabad Industrial Area, Site -IV, Dis- Ghaziabad, Opposite Passport Kendra, Pin code- 201010 E-mail : customercare@schandpublishing.com Ph-no- 0120-4176248 / 4261379 |
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