Resistors Circuits - matsaloli da mafita

Resistors Circuits - matsaloli da mafita

1. Wanne daga cikin da'irorin resistor ne , kamar yadda aka nuna a cikin hoton da ke ƙasa, yana da juriya mafi girma.

Da'irori masu juriya - matsaloli da mafita 1

Amsa A

R 1 = 2 Ω, R 2 = 2 Ω, R 3 = 6 Ω, R 4 = 6 Ω

An haɗa R 3 da R 4 a layi ɗaya. Resistor mai daidai:

1/R 34 = 1/R 3 + 1/R 4 = 1/6 + 1/6 = 2/6

R 34 = 6/2 = 3 Ω

An haɗa R 1, R 2 da R 34 a jere. Resistor mai daidai:

R = R 1 + R 2 + R 34 = 2 Ω + 2 Ω + 3 Ω

R = 7Ω

Amsa B

R 1 = 2 Ω, R 2 = 4 Ω, R 3 = 4 Ω, R 4 = 8 Ω

An haɗa R 2 da R 3 a jere. Resistor mai kama da haka:

R 23 = R 2 + R 3 = 4 Ω + 4 Ω = 8 Ω

An haɗa R 23 da R 4 a layi ɗaya. Resistor mai daidai:

1/R 234 = 1/R 23 + 1/R 4 = 1/8 + 1/8 = 2/8

R 234 = 8/2 = 4 Ω

An haɗa R 1 da R 234 a jere. Resistor iri ɗaya:

R = R 1 + R 234 = 2 Ω + 4 Ω

R = 6 Ω

Amsa C

R 1 = 9 Ω, R 2 = 9 Ω, R 3 = 9 Ω, R 4 = 2 Ω

An haɗa R 1, R 2 da R 3 a layi ɗaya. Resistor mai daidai:

1/R 123 = 1/R 1 + 1/R 2 + 1/R 3 = 1/9 + 1/9 + 1/9 = 3/9

R 123 = 9/3 = 3 Ω

An haɗa R 123 da R 4 a jere. Resistor iri ɗaya:

R = R 123 + R 4 = 3 Ω + 2 Ω

R = 5 Ω

Amsa D

R 1 = 5 Ω, R 2 = 10 Ω, R 3 = 2 Ω, R 4 = 2 Ω

An haɗa R 1 da R 2 a layi ɗaya. Resistor mai daidai:

1/R 12 = 1/R 1 + 1/R 2 = 1/5 + 1/10 = 2/10 + 1/10

1/R 12 = 3/10

R 12 = 10/3 Ω

An haɗa R 3 da R 4 a layi ɗaya. Resistor mai daidai:

1/R 34 = 1/R 3 + 1/R 4 = 1/2 + 1/2 = 2/2

R 34 = 1 Ω

An haɗa R 12 da R 34 a jere. Resistor iri ɗaya:

R = R 12 + R 34 = 10/3 + 3/3 = 13/3

R = 4.3 Ω

2. Menene daidai gwargwado na resistor a cikin da'irar kamar yadda aka nuna a cikin hoton da ke ƙasa.

Magani:Da'irori masu juriya - matsaloli da mafita 2

An haɗa masu juriya 6 Ω, 3 Ω da 2 Ω a layi ɗaya. Mai juriya iri ɗaya:

1/R P = 1/6 + 1/3 + 1/2 = 1/6 + 2/6 + 3/6 = 6/6

R P = 6/6 = 1 Ω

An haɗa masu juriya 7 Ω, 8 Ω da 1 Ω a jere. Mai juriya iri ɗaya:

R = 7 + 8 + 1 = 16 Ω

3. Menene daidai gwargwado na resistor a cikin da'irar kamar yadda aka nuna a cikin hoton da ke ƙasa.

An sani:

Resistor 1 (R)1) = 2 OhmsDa'irori masu juriya - matsaloli da mafita 3

Resistor 2 (R 2 ) = 2 Ohm

Resistor 3 (R 3 ) = 2 Ohm

Resistor 4 (R 4 ) = 2 Ohm

Ana so: Resistor iri ɗaya

Magani:

An haɗa Resistor R 2 da Resistor R 3 a layi ɗaya. Resistor iri ɗaya

1/R 23 = 1/R 2 + 1/R 3

1/R 23 = 1/2 + 1/2 = 2/2

R 23 = 1 Ohm

An haɗa Resistor R 1 , Resistor R 23 da Resistor R 3 a jere. Resistor iri ɗaya:

R = R 1 + R 2 + R 3 = 2 + 1 + 2

R = 5 Ohm

  1. Menene babban aikin resistor a cikin da'irar lantarki?
    • Amsa: Babban aikin resistor shine iyakance ko sarrafa kwararar wutar lantarki a cikin da'ira. Yana gabatar da juriya ga kwararar electrons, wanda zai iya zama da amfani don sarrafa halayen da'ira ko kare sassan.
  2. Ta yaya tsarin juriyar serial da parallel ya bambanta dangane da juriya gaba ɗaya?
    • Amsa: A cikin tsari na jere, jimlar juriya shine jimlar juriyar mutum ɗaya: A cikin tsari mai layi ɗaya, juzu'in juriyar gaba ɗaya shine jimlar juzu'in juriyar kowane mutum: 1/.
  3. Me yasa mutum zai iya zaɓar haɗa resistor a layi ɗaya maimakon a jere?
    • Amsa: Haɗa juriya a layi ɗaya na iya rage jimlar juriyar da'ira, wanda hakan zai iya ƙara yawan kwararar wutar lantarki. Hakanan yana iya samar da sakewa - idan resistor ɗaya ya gaza, da'irar har yanzu tana iya aiki tare da sauran resistor masu layi ɗaya.
  4. Ta yaya ƙimar ƙarfin resistor ke da alaƙa da amfani da shi a cikin da'ira?
    • Amsa: Ƙimar wutar lantarki tana nuna matsakaicin ƙarfin da mai juriyar zai iya wargazawa a matsayin zafi ba tare da ya lalace ba. Idan mai juriyar da ke cikin da'ira ya wargaza wutar fiye da ƙimarta, zai iya yin zafi fiye da kima kuma ya gaza.
  5. Me yasa wasu da'irori ke amfani da resistors masu canzawa?
    • Amsa: Masu tsayayya masu canzawa, kamar potentiometers ko rheostats, suna ba da damar daidaitawa juriya a cikin da'ira. Wannan na iya zama da amfani don daidaitawa ko daidaita sigogin da'ira, kamar ƙarar na'urorin sauti ko hasken haske.
  6. Me zai faru idan resistor a cikin jerin da'ira ya gaza (yana buɗewa)?
    • Amsa: Idan resistor a cikin da'irar jerin ya gaza ta hanyar zama da'irar budewa, dukkan da'irar za ta kasance a bude, kuma babu wani kwararar wutar lantarki da zai ratsa ta. Yana kama da samun karyewar bututun ruwa.
  7. Me zai faru idan resistor a cikin da'irar layi ɗaya ya gaza (yana buɗewa)?
    • Amsa: Idan resistor a cikin da'irar layi daya ya gaza ta hanyar zama da'irar budewa, sauran rassan layi daya zasu ci gaba da dauke da wutar lantarki. Jimlar juriyar da'irar zata karu tunda an cire daya daga cikin hanyoyin layi daya.
  8. Me yasa wasu da'irori ke amfani da resistors masu ƙimar juriya mai yawa, wani lokacin a cikin tsari na megaohms?
    • Amsa: Ana iya amfani da ƙimar juriya mai girma don dalilai daban-daban, kamar ƙirƙirar masu raba wutar lantarki, transistors masu son zuciya, ko aiki tare da aikace-aikacen wutar lantarki mai ƙarancin yawa. Suna iya tabbatar da ƙarancin kwararar wutar lantarki a wasu sassan da'irori, musamman inda ake buƙatar kulawa ko daidaito.
  9. Ta yaya zafin jiki ke shafar juriyar yawancin masu adawa?
    • Amsa: Ga kayayyaki da yawa, juriya tana ƙaruwa da zafin jiki. Adadin da juriya ke canzawa da zafin jiki yana ƙayyade ta hanyar ma'aunin juriya na zafin jiki na kayan. Wasu juriya an tsara su musamman don samun ƙaramin canji a juriya tare da zafin jiki (waɗannan ana kiransu masu juriya na zafin jiki ko ƙarancin juriya na temp-co).
  10. Me yasa ake amfani da resistor na jan-up da ja-down a cikin da'irori na dijital?
  • Amsa: Ana amfani da juriyar ja-sama da ja-sama don ayyana yanayin tsoho (rashin aiki) na fil ɗin shigarwar dijital. juriyar ja-sama tana haɗa fil ɗin shigarwa zuwa ƙarfin lantarki mai kyau lokacin da ba a yi amfani da siginar aiki ba, tana tabbatar da yanayin HIGH na asali. Akasin haka, juriyar ja-sama tana haɗa fil ɗin shigarwa zuwa ƙasa, tana tabbatar da yanayin LOW na asali.
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