Chumbak loha

Ek magnet ek material nai to object hae jon ki magnetic field produce kare hae.

Ek magnet (Greek μαγνήτις λίθος magnḗtis líthos, "Magnesian stone" se) ek material nai to object hae jon ki magnetic field produce kare hae. Ii magnetic field dekhae nai hae lekin ek magnet ke khaas property ke kaaran hae : ek force jin ki ferromagnetic materials, jaise kiiron ke attract kare hae, aur duusra magane ke repel kare hae.

A "horseshoe magnet" made of alnico, an iron alloy. The magnet is made in the shape of a horseshoe to bring the two magnetic poles close to each other, to create a strong magnetic field there that can pick up heavy pieces of iron.
Iron filings that have oriented in the magnetic field produced by a bar magnet
Magnetic field lines of a solenoid electromagnet, which are similar to a bar magnet as illustrated above with the iron filings


Aur parrho

  • "positive pole n". The Concise Oxford English Dictionary. Ed. Catherine Soanes and Angus Stevenson. Oxford University Press, 2004. Oxford Reference Online. Oxford University Press.
  • Wayne M. Saslow, Electricity, Magnetism, and Light, Academic (2002). ISBN 0-12-619455-6. Chapter 9 discusses magnets and their magnetic fields using the concept of magnetic poles, but it also gives evidence that magnetic poles do not really exist in ordinary matter. Chapters 10 and 11, following what appears to be a 19th-century approach, use the pole concept to obtain the laws describing the magnetism of electric currents.
  • Edward P. Furlani, Permanent Magnet and Electromechanical Devices: Materials, Analysis and Applications, Academic Press Series in Electromagnetism (2001). ISBN 0-12-269951-3.

Bahaari jorr

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