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Waxaan sharxi karaa sida loo sameeyo magnet iyadoo la isticmaalayo qulqulka korontada.

Hordhac

Casharkani wuxuu ku saabsan yahay electromagnets, oo ah qayb ka mid ah cutubka magnets iyo electromagnets. Waa inaad hore u garanaysaa sida magnet-ka joogtada ahi u shaqeeyo iyo sida korantadu u socoto wareeg fudud. Waxaan ku tusi doonaa sida loo sameeyo magnet cusub iyadoo la isticmaalayo koronto socda, ka dibna adigu waa inaad samaysaa mid aadna ku tijaabiso (experiment).

Muuji qoraalka
When there is an electric current in a wire, there is a magnetic field around the wire. When there is an electric current in a coil of wire, the magnetic field around each loop adds to make a stronger field. An electromagnet is made by wrapping a coil of wire around a core. An electromagnet is a magnet that can be turned on with an electric current, and turned off.

Warqadda shaqada

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Imtixaannada

  1. 1. Waa kee ka mid ah biraha soo socda ee leh soojiidasho (magnetic)?

    • Jawaabta saxda ah:bir (iron)
    • sodium
    • Jawaabta saxda ah:cobalt
    • copper

  2. 2. Markan ayaa sax ah oo ku saabsan xariiqaha goobta magnetic (magnetic field lines) ee ku wareegsan magnet-ka birta ah?

    • Waxay u jeedaan dibadda labada cirif ee N iyo S.
    • Waxay u jeedaan gudaha labada cirif ee N iyo S.
    • Jawaabta saxda ah:Waxay u jeedaan dibadda cirifka N iyo gudaha cirifka S.
    • Waxay u jeedaan dibadda cirifka S iyo gudaha cirifka N.

  3. 3. Dhulka magnetic-kiisu wuxuu u dhaqmaa sidii in uu jiro magnet gudaha meeraha. Kee ka mid ah weedhahan ku saabsan magnet-ka khayaaliga ah ayaa sax ah?

    • Jawaabta saxda ah:S–ta (S–pole) ee magnet-ku waxay ku taal Waqooyiga Dhulka.
    • S–ta (S–pole) ee magnet-ku waxay ku taal Koonfurta Dhulka.
    • S–ta (S–pole) ee magnet-ku waxay ku taal dhulbaraha (equator).
    • N–ta (N–pole) ee magnet-ku waxay ku taal dhulbaraha (equator).

  4. 4. Meeday aagga ugu xoogga badan dhulka magnetic-kiisa (magnetic field)?

    • meelaha dhulbaraxa (equator) ah
    • Jawaabta saxda ah:meelaha woqooyiga iyo koonfurta (poles) ah
    • meelaha saddexda geesood ee Bermuda ah
    • dusha buuraha ugu dheer

  5. 5. Mid ka mid ah kuwan soo socda ma leexin doono masafka (magnetic compass needle)?

    • cunbi bir ah (iron nail)
    • fareed bir ah (steel fork)
    • qadaadiic nikkel ah (nickel coin)
    • Jawaabta saxda ah:buufin koronto ku shiran (electrostatically charged balloon)

  6. 6. Bal aan eegno, kee baa ka mid ah odhaahdan ku saabsan cidhifyada (poles) magnetka ay sax tahay?

    • Cidhifka woqooyi (north pole) wuxuu soo jiidanayaa cidhifka woqooyi.
    • Jawaabta saxda ah:Cidhifka woqooyi wuxuu soo jiidanayaa cidhifka koonfureed (south pole).
    • Cidhifka woqooyi wuxuu iska celinayaa cidhifka koonfureed.
    • Cidhifka koonfureed wuxuu soo jiidanayaa cidhifka koonfureed.

  1. 1. Mid ka mid ah kuwan soo socda ma keeni karo in halbeegga compass-ka uu leexdo?

    • Jawaabta saxda ah:xalinta balaastig ah oo koronto ku shidan (electrostatically charged)
    • silig naxaas ah oo koronto dhex socdo
    • beerta magnetic-ga ee dhulka
    • ul bir ah (iron rod)

  2. 2. Mid ka mid ah kuwan soo socda ma aha mid loo baahan yahay si loo sameeyo electromagnet (electromagnet) xoog leh?

    • ul bir ah (iron rod)
    • silig daboolan (insulated wire)
    • koronto siiya (power supply)
    • Jawaabta saxda ah:paperclips (paperclips)

  3. 3. Sababta qasabadaha waraaqaha (paper clips) ay uga dhacaan birta korantada (electromagnet) marka korontada la damiyo?

    • Magnetiyadda ayaa ku soo noqotay batariga (power pack).
    • Jawaabta saxda ah:Ma jiro koronto (current) ku dhex jira gariiradda (coil).
    • Silsiladda ayaa kululaatay.
    • Qasabadaha ayaa celiya xudunta (core).

  4. 4. Mid ka mid ah isbeddelladan soo socda ma siin doono elektro-magnet (electromagnet) xoog badan?

    • Kordhinta hadda (current) ee fiilada.
    • Kordhinta danabka (voltage) ee fiilada.
    • Kordhinta tirada wareegyada (turns) ee gariiradda (coil).
    • Jawaabta saxda ah:Kordhinta tirada qabsashada waraaqaha (paperclips).

  5. 5. Waa kee mid ka mid ah kuwan soo socda oo kordhin doona xoogga goobta magnetic-ka ee gudaha gariiradda siligga dahaarka leh?

    • Kordhinta dhexroorka gariiradda.
    • Kordhinta iska caabbinta siligga gariiradda ku jira.
    • Jawaabta saxda ah:Gelinta xudunta birta ah ee gariiradda.
    • Gelinta xudunta naxaasta ah ee gariiradda.

  6. 6. Waa maxay qaabka xariijimaha goobta magnetic-ka (magnetic field lines) ee ay keento silig toosan oo koronto qaadanaya?

    • wareegsan oo ku wareegsan siligga
    • toosan oo ka fog siligga
    • Jawaabta saxda ah:goobo ku wareegsan siligga
    • toosan oo la jira siligga

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