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Hordhac

Darsigan waxaa loogu yeedhaa 'koroonto taagan (static electricity)' wuxuuna si gaar ah uga hadlayaa 'kharash (charge)'. Waa qayb ka mid ah cutubka 'wareegyada taxanaha ah (series circuits)'. Waa inaad hore u taqaanid in shay kasta uu ka samaysan yahay atamyo (atoms) si aad u fahanto sida kharashku u shaqeeyo.

Muuji qoraalka
Atoms contain positive and negative electric charges. The particles in atoms with a negative electric charge are called electrons. Electrons can sometimes be transferred from one object to another, depending on the materials the objects are made of. Metals are difficult to charge because electric charge flows through them, preventing charge from building up. When static electricity builds up, it can be useful but also problematic.

Warqadda shaqada

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Imtixaannada

  1. 1. Marka ee ka mid ah tusaalooyinkan ayaad ku heli kartaa koronto taagan (static charge) oo urursan?

    • Jawaabta saxda ah:taayirada gaariga oo ku xoqaya wadada
    • maro lagu xoqo cad ka samaysan balaastig
    • koronto gaar ah (mains electricity) oo shidiya nalka
    • lugayn ku socodka roogga iyo kabo laga sameeyay caag (rubber)

  2. 2. Waa maxay charge-ka (cajaladda) ku muujisan buufinka?

    • positive (togan)
    • neutral (dhexdhexaad)
    • Jawaabta saxda ah:negative (taban)

  3. 3. Ruler-ka iyo baloontigu labaduba waxay leeyihiin charge togan (positive charge). Waxa ka mid ah kuwan soo socda ayaa dhici doona marka ruler-ka loo soo dhaweeyo baloontiga?

    • Waxay is soo jiidi doonaan si ka xoog badan.
    • Waxay is soo jiidi doonaan si ka tabar dar ah.
    • Waxay iska celin doonaan si ka tabar dar ah.
    • Jawaabta saxda ah:Waxay iska celin doonaan si ka xoog badan.

  4. 4. Baloonada la tusay labaduba waxay leeyihiin koronto taban (negative charge). Marka la isu dhoweeyo, baloonadahaasi waxay samayn doonaan kee mid ka mid ah kuwan soo socda?

    • isjiidasho (attract)
    • Jawaabta saxda ah:iska fogaansho (repel)
    • kor u kac
    • hoos u dhac

  5. 5. Maxaa ka mid ah kuwan soo socda oo sharxaya sababta buufinka lagu muujiyey uu ku dheggan yahay gidaarka?

    • Jawaabta saxda ah:Dalladda togan iyo taban ayaa is soo jiita.
    • Buufinku wuxuu ka kooban yahay helium.
    • Caagga buufinku waa dhegdheg.
    • Is-jiidashada u dhaxaysa gidaarka iyo buufinku ayaa ku haynaysa meeshiisa.

  6. 6. Mid ka mid ah kuwan soo socda ayaa sharxaya sababta ay ugu dhacdo in aanay dheellitirka (static charge) ku ururin wareegyada caadiga ah?

    • Waxaa jira nooc ka duwan oo dheellitir ah oo ku jira wareegyada korontada.
    • Wareegyada lama xoqo.
    • Elektaroonnada ayaa qaada dheellitirka.
    • Jawaabta saxda ah:Dheellitirku wuxuu awood u leeyahay inuu ku qulqulo siligyada korontada.

  1. 1. Shay aan koronto lahayn ayaa la xoqay oo wuxuu noqday mid koronto togan leh. Kee ka mid ah kuwan soo socda ayaa ah sharaxaadda saxda ah ee arrintan?

    • Shaygu wuxuu helayaa koronto taban (negative charges).
    • Jawaabta saxda ah:Shaygu wuxuu lumiyaa koronto taban (negative charges).
    • Shaygu wuxuu helayaa koronto togan (positive charges).
    • Shaygu wuxuu lumiyaa koronto togan (positive charges).

  2. 2. Mid ka mid ah kuwan soo socda ayaa si sax ah u sharxaya sababta ay u adag tahay in la dallaco shay bir ah?

    • Biraha ma laha elektaroonno (electrons).
    • Jawaabta saxda ah:Elektaroonnada waxay si fudud u dhex socdaan birta, sidaas darteed dallacaadku kuma ururi karo meel keliya.
    • Elektaroonnada ayaa si xoog leh ugu xidhan atamka (atoms) birta marka loo eego walxaha kale.
    • Birta had iyo jeer waxay kasbataa ama lumisaa tiro isku mid ah oo ah dallacaadyo togan iyo kuwa taban.

  3. 3. Shey aan koronto lahayn (neutral object), kee ka mid ah hadalladan waa sax?

    • Sheygu waa inuu noqdaa mid aan koronto qaadin (insulator).
    • Sheygu waa inuu noqdaa mid koronto qaada (conductor).
    • Sheygu ma laha electrons ama nuclei (xudunta atomka).
    • Sheygu wuxuu leeyahay nuclei laakiin ma laha electrons.
    • Jawaabta saxda ah:Sheygu wuxuu leeyahay xaddi isleeg oo ah koronto togan iyo koronto taban.

  4. 4. Mashiinka Van der Graaf wuxuu leeyahay suun caag ah oo socda kaas oo ku dallaca isku-jiid (friction). Dallaca waxaa loo wareejiyaa qubbada birta ah. Maxay tahay sababta qubbadu ay u dallaci karto, inkastoo ay ka samaysan tahay bir?

    • Jawaabta saxda ah:Taageerada qubbadu waa balaastig, taas oo ah xannibaad (insulator).
    • Taageerada qubbadu sidoo kale way dallacdaa.
    • Taageerada qubbadu waa bir, taas oo u oggolaanaysa dallaca inuu sii socdo ilaa qubbada.

  5. 5. Qof ayaa farahiisa u dhoweeya saqafka sare ee mashiinka Van der Graaf ee korantada taban (negatively charged). Dhimbiil ayaa u dhexaysa faraha iyo saqafka. Kee ayaa ah midka si sax ah u sharxaya sababta?

    • Atamku (atoms) waxay u safraan qofka iyo saqafka dhexdiisa.
    • Nucleiyadu (nuclei) waxay u safraan qofka iyo saqafka dhexdiisa.
    • Jawaabta saxda ah:Elektaroonadu (electrons) waxay u safraan qofka iyo saqafka dhexdiisa.
    • Koronto (current) ayaa qulqulaya qofka iyo saqafka dhexdiisa.

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