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Korontada guud (mains electricity)

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Faahfaahinta casharka

Natiijada casharka

Waxaan isbarbardhigi karaa awoodda (power) qalabka kala duwan iyo xisaabinta kharashka isticmaalkooda.

Hordhac

Casharkani wuxuu ka hadlayaa korontada guriga (mains electricity) oo ka tirsan cutubka iska caabinta iyo isku xirka barbar socda. Waa inaad hore u garanaysaa fikradaha aasaasiga ah ee awoodda (power) iyo sida qalabka korontadu u shaqeeyaan.

Muuji qoraalka
Electrical appliances and devices use different amounts of energy each second, as indicated by their power rating. Power is a measure of the amount of energy used by or supplied to a device in one second. Power is measured in watts (W). Multiplying power of a device in kilowatts (kW) by time in hours (h) gives us the energy used in kilowatt–hours (kWh). Electricity bills are based on the amount of energy units used; 1 unit of energy is equal to 1 kWh.

Warqadda shaqada

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Imtixaannada

  1. 1. Nooc ka mid ah wareegyada (circuits) ee soo socda ayaa loo isticmaalaa nalalka hore ee baabuurta si haddii mid ka mid ah nalalka uu istaago inuu shideyno, kan kale uu sii shidnaado?

    • wareeg taxane ah (series circuit)
    • Jawaabta saxda ah:wareeg barbar socda (parallel circuit)
    • wareeg taxane ama barbar socda midkood

  2. 2. Waa kee mid ka mid ah weedhahan soo socda ee sax ah?

    • Jawaabta saxda ah:Voltage waxaa lagu cabbiraa si barbar socda (parallel), current waxaa lagu cabbiraa si isku xigta (series).
    • Voltage iyo current labadaba waxaa lagu cabbiraa si barbar socda (parallel).
    • Voltage waxaa lagu cabbiraa si isku xigta (series), current waxaa lagu cabbiraa si barbar socda (parallel).
    • Voltage iyo current labadaba waxaa lagu cabbiraa si isku xigta (series).

  3. 3. Kee ka mid ah qoraaladan ku saabsan wareegga (circuit) halkaas oo koronto sare (high current) uu dhex maro laydhka (bulb) oo voltage-ga iyo current-ga si sax ah loo cabiray waa sax?

    • Voltmeter-ka iyo ammeter-ka labaduba waxaa dhex mara current sare.
    • Voltmeter-ka iyo ammeter-ka labaduba waxaa dhex mara current hooseeya.
    • Voltmeter-ka waxaa dhex mara current sare, ammeter-kana waxaa dhex mara current aad u hooseeya.
    • Jawaabta saxda ah:Ammeter-ka waxaa dhex mara current sare, voltmeter-kana waxaa dhex mara current aad u hooseeya.

  4. 4. Sawirka wareegga (circuit) ku qoran, waa imisa danabka (voltage) ku yaalla unugga korontada (electric cell) haddii danabka ku yaalla resistor-ka 8 Ω uu yahay 2.0 V iyo danabka ku yaalla resistor-ka 4 Ω uu yahay 2.0 V?

    • 1.0 V
    • 1.33 V
    • Jawaabta saxda ah:2.0 V
    • 4.0 V

  5. 5. Wareegga la muujiyey, ammeter-ku maxay akhrin doontaa haddii current-ka ku jira resistor-ku yahay 0.35 A iyo current-ka nalku yahay 0.25 A?

    • 0.25 A
    • 0.30 A
    • 0.35 A
    • Jawaabta saxda ah:0.60 A

  6. 6. Korontada gurigeena xaggee bay ka timaaddaa?

    • kaliya dhismayaasha korontada ee shidaalka fosil (fossil fuel)
    • kaliya dhismayaasha korontada ee nukliyeerka (nuclear)
    • marawaxadaha dabaysha iyo saacadaha qorraxda (solar panels)
    • dhismayaasha korontada ee biyaha (hydroelectricity)
    • Jawaabta saxda ah:Isku darka ilo kala duwan, waxay ku xiran tahay cimilada iyo baahida.

  1. 1. Mid ka mid ah kuwan soo socda ayaa ah halbeega (unit) awoodda (power)?

    • ohms
    • volts
    • amps
    • Jawaabta saxda ah:watts
    • joules

  2. 2. Qalabka ama aaladaha soo socda, kee baa leh awoodda ugu sareysa (power rating)?

    • lambada (lamp): 220-240 V, 50 Hz, 25W
    • loudspeaker (laba hadal): 50W
    • Jawaabta saxda ah:toaster (rooti karshe): 220-240 V, 50/60 Hz, 860-1050W

  3. 3. Kilowatt-ka waxaa ku jira imisa watts?

    • kun-meelood oo watts
    • Jawaabta saxda ah:kun watts
    • malyuun watts
    • bilyan watts

  4. 4. Mid ka mid ah qiimayaashan soo socda ayaa la mid ah 0.1 kilowatts?

    • 1 watt
    • 10 watts
    • Jawaabta saxda ah:100 watts
    • 1000 watts

  5. 5. Gigawat-ka waxaa ku jira imisa watts?

    • 100
    • 1000
    • 1 000 000
    • Jawaabta saxda ah:1 000 000 000

  6. 6. Waa imisa kharashka isticmaalka kuleyliyaha 1000 W muddo 30 daqiiqo ah, haddii 1 kWh uu yahay £0.30?

    • 3 pence
    • Jawaabta saxda ah:15 pence
    • 30 pence
    • 60 pence

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