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Qulqulka korontada ee elektromagnetic-ka

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Waxaan qorsheyn karaa tijaabo si aan u tijaabiyo xoogga elektromagnetic-ka waxaanan sharxi karaa sida arrimo kala duwan u saameeyaan xoogga elektromagnetic-ka.

Hordhac

Salaan, waxaan kaa caawin doonaa casharkan oo loogu talagalay inaad qorsheysato tijaabo (experiment) si aad u tijaabiso xoogga elektromagnetka. Waa inaad hore u taqaanid waxa elektromagnetku yahay iyo sida uu u shaqeeyo.

Muuji qoraalka
The more turns of wire in the coil of an electromagnet, the stronger its magnetic field. The greater the current through the coil of an electromagnet, the stronger its magnetic field. The more closely spaced the coils of wire of an electromagnet, the stronger its magnetic field. An electromagnet made from bare wire will not work if adjacent turns are touching. A soft iron core increases the strength of an electromagnet because it becomes magnetised when it is turned on.

Warqadda shaqada

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Imtixaannada

  1. 1. Waa kuwee qoraalada soo socda ee ku saabsan shay laga sameeyay walax magnet ah oo sax ah?

    • Jawaabta saxda ah:Waxaa loo isticmaali karaa in laga sameeyo magnet.
    • Waxay leedahay cirif woqooyi raadinaya iyo cirif koonfur raadinaya.
    • Waxaa ay soo jiidataa dhammaan shayyada kale ee laga sameeyay walax magnet ah.
    • Waxay la kulantaa xoog marka uu jiro magnet meel ku dhow.

  2. 2. Arday ayaa laba bir isku soo dhaqaajinaya, waxayna is soo jiidaan xoog magnetic ah. Kee ka mid ah hadalladan soo socda ayaa sax ah?

    • Jawaabta saxda ah:Labada birba waxay noqon karaan magnet.
    • Mid ka mid ah birta wuxuu noqon karaa magnet, kan kalena ma aha.
    • Midna birta kama noqon karo magnet.
    • Labada birba waa inay ka samirsanaadaan walax magnetic ah.

  3. 3. Arday ayaa laba bir isku soo dhaqaajinaya, waxayna iska celinayaan xoog magnetic ah. Kee ayaa ka mid ah hadalladan ah kuwa sax ah?

    • Jawaabta saxda ah:Labada bir waa magnets.
    • Hal bir kaliya ayaa magnet ah.
    • Midna bir kama aha magnet.
    • Labada bir waxay ka samaysan yihiin walxo magnetic ah.

  4. 4. Electromagnet-ku wuxuu leeyahay silig lagu duubay birta (iron core) dhexdeeda. Haddii koronto (current) ku qulqulo siligga, kee ayaa sharxaya sababta electromagnet-ku u noqdo mid magnet ah?

    • Magnet ayaa loo isticmaalaa in lagu sameeyo birta.
    • Siligyada waxay ka samaysan yihiin walxo magnetic ah.
    • Jawaabta saxda ah:Waxaa jira goob magnetic ah (magnetic field) oo ku wareegsan siligga ay korontadu ku qulqulayso.
    • Siliggu wuu kululaadaa, taas oo kululeysa birta oo ka dhigaysa mid magnetic ah.

  5. 5. Mid ka mid ah kuwan soo socda ayaa yareyn kara xoogga magnetic-ka (magnetic field) ee electromagnet-ka?

    • Jawaabta saxda ah:yaraynta hadda (current) ku socda gariiradda (coil)
    • yaraynta iska caabbinta (resistance) ee gariiradda
    • kordhinta tirada wareegyada (loops) ee gariiradda
    • beddelka xudunta birta ah (iron core) oo lagu beddelo xudunta alwaaxda ah (wooden core)

  6. 6. Kee ka mid ah weedhahan soo socda ayaa sax ah?

    • Jawaabta saxda ah:Birlab koronto (electromagnet) ayaa soo jiidi kara birlab.
    • Birlab koronto ayaa celin kara birlab koronto kale.
    • Hal daraf oo keliya oo birlab koronto ah ayaa qaadi kara birta qalin-jabka ah.

  1. 1. Mid ka mid ah weedhahan soo socda ayaa qeexaya tijaabo cadaalad ah (fair test)?

    • Tijaabo leh doorsoome madax-bannaan (independent variable).
    • Tijaabo siinaya natiijooyin sax ah oo lagu kalsoonaan karo.
    • Tijaabo siinaya natiijooyin isku mid ah mar kasta oo la celiyo.
    • Jawaabta saxda ah:Tijaabo uu tijaabiyuhu beddelo hal doorsoome oo keliya.

  2. 2. Arday ayaa tijaabinaya sida xoogga magnetic-ka (magnetic field) ee electromagnet-ka uu u saameeyo hadda (current) ku jira gariiradda (coil). Waa maxay doorsoome madax-bannaan (independent variable) ee tijaabadan?

    • Jawaabta saxda ah:hadda (current) ku jira gariiradda
    • tirada wareegyada (turns) ee gariiradda
    • xoogga magnetic-ka (magnetic field)
    • maaddada (material) laga sameeyay xudunta (core)
    • tirada paperclips-ka ee electromagnet-ku qaadi karo

  3. 3. Arday ayaa tijaabinaya sida xoogga goobta magnetic-ga ee electromagnet-ka uu u saameeyo hadda (current) ku jira gariiradda. Kee ka mid ah kuwan soo socda ayaa ah doorsoomayaasha kontoroolka (control variables) tijaabadan?

    • xoogga goobta magnetic-ga
    • hadda (current) ku jira gariiradda
    • Jawaabta saxda ah:tirada wareegyada (turns) ee gariiradda
    • maaddada (material) laga sameeyay xudunta (core)
    • tirada paperclips-ka ee electromagnet-ku qaadi karo

  4. 4. Biraha korantada (electromagnets) badanaa waxay leeyihiin xudun ka samaysan bir saafi ah oo ku dhex jirta gariiradda, oo loo yaqaan xudunta birta jilicsan (soft iron core). Waa maxay macnaha 'jilicsan' marka laga hadlayo xudunta birta?

    • Birtu way fududahay in la qalloociyo.
    • Birtu way adag tahay in la qalloociyo.
    • Birtu waxay sii ahaataa magnet ah ka dib marka korontada la damiyo.
    • Jawaabta saxda ah:Birtu waxay noqotaa mid aan magnet ahayn ka dib marka korontada la damiyo.

  5. 5. Arday wuxuu rabaa inuu sameeyo bir-magnet koronto (electromagnet). Wuxuu ku durayaa silig qaawan (bare wire) agagaarka birta (iron core) oo wuxuu siinayaa koronto (current) siligga. Waa maxay sababta uu bir-magnetkiisu u shaqaynaynin?

    • Jawaabta saxda ah:Wuxuu leeyahay goob magnetic ah oo aad u tabar yar.
    • Wareegyada (coils) waxaa dib u celinaya birta (core).
    • Wareegyada siliggu way dhalaalaan oo waxay ku dhegaan birta.
    • Korontadu kuma wareegto wareegyada siligga.

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