Wani abubuwa da za su iya zama electromagnets idan karamin kula ya shiga su

Idan da yawan karamin shi a wajen juna, zai iya zama electromagnets. Electromagnets take nufin da suka hada tsarin magnetic idan yawan karamin shi ya gaishe da kan conductor. Haka ne abubuwa masu yawa da za su iya zama electromagnets:

1. Iron-Core Coil

Iron Core: Iron ita ce babban rawar ferromagnetic. Idan yawan karamin shi ya gaishe da kan coil da aka rikice a cikin iron core, iron core zai zama maye tsari, wanda ya haɗa da electromagnet mai karfi.

Coil: Yana duni da wire na copper ko rawar muhimmanci, coil ita ce da aka rikice a cikin iron core ko rawar magnetic mafi yawa.

2. Nickel-Core Coil

Nickel Core: Nickel ita ce rawar ferromagnetic mafi yawa da za iya maye tsari. Idan yawan karamin shi ya gaishe da kan coil da aka rikice a cikin nickel core, nickel core zai zama maye tsari, wanda ya haɗa da electromagnet.

3. Cobalt-Core Coil

Cobalt Core: Cobalt ita ce rawar ferromagnetic mafi yawa. Idan yawan karamin shi ya gaishe da kan coil da aka rikice a cikin cobalt core, cobalt core zai zama maye tsari, wanda ya haɗa da electromagnet.

4. Soft Iron-Core Coil

Soft Iron Core: Soft iron ita ce rawar da tsarin magnetic ta fi ma'ada, maye tsari a baya, amma ba da tsari mai ƙalshi, wanda ya haɗa da tattaunawa don iron core na electromagnet.

5. Alloy-Core Coil

Iron-Nickel Alloy: Iron-nickel alloys (kamar Permalloy) suna da tsarin magnetic ta fi ma'ada da tsari mai ƙalshi, wanda ya haɗa da tattaunawa don electromagnets mai karfi.

Iron-Aluminum Alloy: Iron-aluminum alloys suna da amfani da su a matsayin rawar magnetic masu electromagnets.

6. Air-Core Coil

Air Core: Ba air ba ita ce rawar magnetic, amma idan yawan karamin shi ya gaishe da kan coil da aka rikice a cikin air, tsarin magnetic zai haɗa a cikin coil. Tsarin magnetic na electromagnet na air-core ita ce mai ƙalshi amma ya haɗa da amfani a wasu abubuwa masu yawa.

7. Composite Material-Core Coil

Composite Materials: Wasu rawar composite (kamar ferrites) suna da tsarin magnetic masu yawa da za su iya amfani da su don tattaunawa don electromagnets.

Principle of Operation

Current Through the Coil: Idan yawan karamin shi ya gaishe da kan coil da aka rikice a cikin rawar magnetic, tsarin magnetic zai haɗa a cikin coil.

Magnetization of Magnetic Material: Tsarin magnetic ita ce da ya maye rawar magnetic (kamar iron, nickel, ko cobalt), wanda ya haɗa da magnet mai yau da kullum.

Strength of Magnetic Field: Zama da tsarin magnetic ita ce da ya kunshi magnitude na yawan karamin, adadin turns na coil, da tsarin rawar magnetic.

Applications

Electromagnets suna da amfani a wasu abubuwa, ciki har zuwa:

Electric Motors and Generators: Suna amfani don gina torque da electricity.

Electromagnetic Cranes: Suna amfani don ƙoƙarin abincin abubuwa mai yawa, musamman abincin steel.

Electromagnetic Relays: Suna amfani don kontrollo circuits.

Magnetic Resonance Imaging (MRI): Suna amfani don imaging medical.

Electromagnetic Valves: Suna amfani don kontrollo flow na fluid.

Summary

Idan yawan karamin shi ya gaishe da kan rawar ferromagnetic (kamar iron, nickel, cobalt, da alloy masu) da aka rikice a cikin coil, zai iya zama electromagnets. Zama da karfin tsarin magnetic ita ce da ya kunshi adjustment na magnitude na yawan karamin da adadin turns na coil.