Ngā ara iahiko hiko – ngā raruraru me ngā otinga

Ngā ara iahiko hiko – ngā raruraru me ngā otinga

1. R ₁ , = 6 Ω, R ₂ = R ₃ = 2 Ω, me te ngaohiko = 14 volts, tātaihia te iahiko hiko i roto i te ara iahiko e whakaaturia ana i te pikitia i raro nei.

Mōhiotia:

Ātete 1 (R ₁ ) = 6 Ω

Ātete 2 (R ₂ ) = 2 Ω

Ātete 3 (R ₃ ) = 2 Ω

Ngaohiko (V) = 14 Ngaohiko

E hiahiatia ana: Te au hiko (I)

Rongoā:

Ātete ōrite (R):

Ka honoa whakarara a R ₂ me R _{3. Ko te ātete ōrite:}

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

R ₂₃ = 2/2 = 1 Ω

Kei te honoa raupapa a R ₁ me R _{23. Ko te ātete ōrite:}

R = R1 ₊ R23 ₌ 6 Ω + 1 Ω

R = 7 Ω

Te au hiko (I):

I = V / R = 14 / 7 = 2 Āpere

2. Ko tēhea o ngā ara iahiko hiko e whakaaturia ana i raro nei te mea he nui ake te iahiko?

Rongoā:

Ko te ātete o te ātete ko R, ā, ko te ngaohiko hiko ko V.

Whakautu A.

Ka honoa raupapatia _a R1 , R2 _me R3 _{. Ko te ātete ōrite:}

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

Te au hiko (I):

Whakautu B.

Ka honoa whakarara _{a R1} , R2 _me R3 _{. Ko te ātete ōrite:}

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

R _B = R/3

Te au hiko (I):

Whakautu C.

Ka honoa whakarara a R ₂ me R _{3. Ko te ātete ōrite:}

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

R ₂₃ = R/2

Kei te honoa raupapa a R ₁ me R _{23. Ko te ātete ōrite:}

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

Te au hiko (I):

Whakautu D.

Ka honoa whakarara a R ₁ me R _{2. Ko te ātete ōrite:}

1/R ₁₂ = 1/R ₁ + 1/R ₂ = 1/R + 1/R = 2/R

R ₁₂ = R/2

Kei te honoa raupapa a R ₁₂ me R _{3. Ko te ātete ōrite:}

R _D = R ₁₂ + R ₃ = R/2 + R = R/2 + 2R/2 = 3R/2

Te au hiko (I):

3. R _{​​​​1} = 4 ohms, R ₂ = 6 ohms, R ₃ = 2 ohms, me V = 24 volts. He aha te iahiko hiko i roto i te ara iahiko e whakaatuhia ana i te pikitia i raro nei.

Mōhiotia:

Ātete 1 (R ₁ ) = 4 Ohm

Ātete 2 (R ₂ ) = 6 Ohm

Ātete 3 (R ₃ ) = 2 Ohm

Ngaohiko (V) = 24 Ngaohiko

E hiahiatia ana: Te au hiko i roto i te ara iahiko

Rongoā:

Ka honoa raupapatia _a R1 , R2 _me R3 _{. Ko te ātete ōrite:}

R = R1 ₊ R2 ₊ R3 ₌ 4 + 6 + 2

R = 12 Ōhm

Te au hiko:

I = V / R = 24 / 12 = 2 Āpere

4. Ko tēhea o ngā ara iahiko hiko e whakaaturia ana i raro nei te mea he nui ake te iahiko?

otinga

Te au hiko i te ara iahiko A.

Ko te ātete ōrite:

R1 = 3 Ω, R2 ₌ 4 Ω, R3 ₌ 4 Ω, V = 12 _Volts

Ka honoa whakarara a R ₂ me R _{3. Ko te ātete ōrite:}

1/R ₂₃ = 1/R ₂ + 1/R ₃ = 1/4 + 1/4 = 2/4 = 1/2

R ₂₃ = 2/1 = 2 Ω

Kei te honoa raupapa a R ₁ me R _{23. Ko te ātete ōrite:}

R = R ₁ + R ₂₃ = 3 Ω + 2 Ω = 5 Ω

Te au hiko (I):

I = V / R = 12 / 5 = 2.4 Āpere

Te au hiko i te ara iahiko B.

Ko te ātete ōrite:

R1 = 8 Ω, R2 ₌ 2 Ω, R3 ₌ 2 Ω, V = 36 _Volts

Ka honoa raupapatia _a R1 , R2 _me R3 _{. Ko te ātete ōrite:}

R = R1 ₊ R2 ₊ R3 ₌ 8 + 2 + 2 = 12 Ω

Te au hiko (I):

I = V / R = 36 / 12 = 3 Āpere

Te au hiko i roto i te ara iahiko C.

Ko te ātete ōrite:

R1 = 4 Ω, R2 ₌ 4 Ω, R3 ₌ 6 Ω, V = 12 _Volts

Ka honoa whakarara a R ₂ me R _{3. Ko te ātete ōrite:}

1/R ₂₃ = 1/R ₂ + 1/R ₃ = 1/4 + 1/4 + 1/6 = 3/12 + 3/12 + 2/12 = 8/12

R ₂₃ = 12/8 = 1.5 Ω

Te au hiko (I):

I = V / R = 12 / 1.5 = 8 Āpere

Te au hiko i roto i te ara iahiko D.

Ko te ātete ōrite:

R1 ₌ 3 Ω, R2 ₌ 3 Ω, R3 ₌ 3 Ω, R4 ₌ 3 Ω, R5 ₌ 6 Ω, V = 24 Ngā Waohiko

Ka honoa whakarara _{a R2} , R3 _me R4 _{. Ko te ātete ōrite:}

1/R ₂₃₄ = 1/R ₂ + 1/R ₃ + 1/R ₄ = 1/3 + 1/3 + 1/3 = 3/3

R ₂₃₄ = 3/3 = 1 Ω

Kua honoa raupapatia _a R1 , R234 _me R5 _{. Ko te ātete ōrite:}

R = R1 ₊ R234 ₊ R5 ₌ 3 + 1 + 6 = 9 Ω

Te au hiko (I):

I = V / R = 24 / 9 = 2.6 Āpere

5. E ai ki te pikitia i raro nei, whakatauhia:

A. Ātete katoa

B. Te au hiko i roto i te ara iahiko

C. Iaianei I ₁

D. Ia au I ₂

Mōhiotia:

Ātete 1 (R ₁ ) = 4 Ω

Ātete 2 (R ₂ ) = 4 Ω

Ātete 3 (R ₃ ) = 2 Ω

Ātete 4 (R ₄ ) = 3 Ω

Ngaohiko hiko (V) = 12 Volts

Rongoā:

A. Ātete katoa (R)

Kei te honoa raupapa te ātete R2 _me te ātete R3 _{. Ko te ātete ōrite:}

R ₂₃ = R ₂ + R ₃ = 4 Ω + 2 Ω = 6 Ω

Kei te honoa whakarara te ātete R ₂₃ me te ātete R _{4. Ko te ātete ōrite:}

1/R ₂₃₄ = 1/R ₂₃ + 1/R ₄ = 1/6 + 1/3 = 1/6 + 2/6 = 3/6

R ₂₃₄ = 6/3 = 2 Ω

Kei te honoa raupapa te ātete R ₁ me te ātete R _{234. Ko te ātete ōrite:}

R = R ₁ + R ₂₃₄ = 4 Ω + 2 Ω = 6 Ω

Ko te ātete katoa he 6 Ōhms.

B. Te au hiko i roto i te ara iahiko (I)

V = IR

V = ngaohiko hiko, I = iahiko hiko, R = ātete hiko

Te au hiko:

I = V / R = 12 Volts / 6 Ohms = 2 Amps

C. Te au hiko I ₁

Iahiko i roto i te ātete R ₁ = iahiko i roto i te ara iahiko = 2 Āmperes.

D. Ia au I ₂

Ātete R₂₃ me te ātete R₄ ka honoa whakarara. Ko te ātete ōrite R₂₃₄ = 2 Ōhm.

Te iahiko i roto i te ātete R ₂₃₄ = te iahiko i roto i te ātete R ₁ = 2 Ampere.

Ko te ngaohiko i roto i te ātete R ₂₃₄ ko:

V = IR ₂₃₄ = (2 A)(2 Ohm) = 4 Ngā Waehiko

Ngaohiko i roto i te ātete R ₂₃₄ = ngaohiko i roto i te ātete R ₄ = ngaohiko i roto i te ātete R ₂₃ = 4 Volts.

Ko te ātete ōrite R ₂₃ he 6 Ohm.

Ko te iahiko i roto i te ātete R ₂₃ ko:

I = V / R = 4 Volts / 6 Ohms = 2/3 Ampere

Iahiko i roto i te ātete R ₂₃ = Iahiko i roto i te ātete R ₂ = iahiko i roto i te ātete R ₃ = 2/3 Ampere.

6. R1 ₌ R2 ₌ 10 Ω me R3 ₌ R4 ₌ 8 Ω. He aha te iahiko hiko i roto i te ara iahiko e whakaaturia ana i te pikitia i raro nei?

Mōhiotia:

Ātete R ₁ = Ātete R ₂ = 10 Ω

Ātete R ₃ = Ātete R ₄ = 8 Ω

Ngaohiko hiko (V) = 12 Volts

E hiahiatia ana: iahiko (I)

Rongoā:

Te ātete ōrite

Kei te honoa whakarara te ātete R ₃ me te ātete R _{4 , ko te ātete ōrite:}

1/R ₃₄ = 1/R ₃ + 1/R ₄ = 1/8 + 1/8 = 2/8

R ₃₄ = 8/2 = 4 Ω

Ka honoa ngā ātete R1 _, R2 _me R34 _{i roto i te raupapa, ko te ātete ōrite:}

R = R ₁ + R ₂ + R ₃₄ = 10 Ω + 10 Ω + 4 Ω = 24 Ω

Te au hiko:

I = V / R = 12 Ngāohiko / 24 Ōhm = 0,5 Ngāohiko/Ōhm = 0.5 Ngā Amps

7. Ki te kore e arohia te ātete ā-roto o te pākahiko, he aha te iahiko hiko i roto i te ara iahiko e whakaaturia ana i te pikitia i raro nei.

Mōhiotia:

Ātete R ₁ = 3 Ohm

Ātete R ₂ = 3 Ohm

Ātete R ₃ = 6 Ohm

Ngaohiko hiko (V) = 6 Volts

E hiahiatia ana: Te au hiko (I)

Rongoā:

Ātete ōrite

Ka honoa ngā ātete R1 _me R2 _{i roto i te raupapa. Ko te ātete ōrite:}

R ₁₂ = R ₁ + R ₂ = 3 Ōhm + 3 Ōhm = 6 Ōhm

Kei te honoa whakarara te ātete R _{12 me te ātete 3. Ko te ātete ōrite:}

1/R = 1/R ₁₂ + 1/R ₃ = 1/6 + 1/6 = 2/6

R = 6/2 = 3 Ōhm

Te au hiko:

I = V / R = 6 / 3 = 2 Āpere

8. He aha te tapeke o te iahiko hiko i roto i te ara iahiko e whakaaturia ana i te pikitia i raro nei.

Mōhiotia:

Ātete R ₁ = 6 Ohm

Ātete R ₂ = 4 Ohm

Iahiko hiko (V) = 6 Volt

Ātete ā-roto (r) = 0.6 Ōhms

E hiahiatia ana: Te au hiko

Rongoā:

Kei te honoa whakarara te ātete R ₁ me te ātete R _{2. Ko te ātete ōrite:}

1/R _P = 1/R ₁ + 1/R ₂ = 1/6 + 1/4 = 4/24 + 6/24 = 10/24

R _P = 24/10 = 2.4 Ōhm

Ka honoa raupapatia te ātete R _{P me te ātete ā-roto (r). Ko te ātete ōrite:}

R = R _P + r = 2.4 Ōhm + 0.6 Ōhm = 3.0 Ōhm

Te au hiko i roto i te ara iahiko:

I = V / R = 6 Volts / 3 Ohms = 2 Amps

1. He aha te ara iahiko hiko?
   • WhakautuHe ara kati, he porowhita rānei te ara hiko e rere tonu ai te iahiko hiko. Ko te tikanga he pūtake hiko (pērā i ngā pākahiko), he kawenga (pērā i ngā ātete, ngā rama LED, ngā motuka), me ngā kaiārahi hiko hei hono i a rātou.
2. He aha te mea e wehewehe ai i te ara iahiko raupapa mai i te ara iahiko whakarara?
   • WhakautuI roto i te ara iahiko raupapa, ka honoa ngā wāhanga mai i te pito ki te pito, nō reira he ara kotahi mō te iahiko. I roto i te ara iahiko whakarara, ka honoa ngā wāhanga puta noa i ngā pūwāhi noa, i ngā hononga rānei, ka whakarato i ngā ara maha mō te iahiko.
3. He pēhea te hononga a te Ture a Ohm i te ngaohiko, te iahiko, me te ātete i roto i tētahi ara iahiko?
   • WhakautuE ai ki te Ture a Ohm ko te au ($I$) e rere ana i roto i tētahi kaiārahi i waenganui i ngā pūwāhi e rua he rite tonu ki te ngaohiko ($V$) puta noa i ngā pūwāhi e rua, ā, he rite whakamuri ki te ātete ($R$). E whakaaturia ana ko I=V/R​.
4. He aha te tūranga o te pana i roto i te ara iahiko hiko?
   • WhakautuKa whakahaerehia e te pana te rere o te iahiko i roto i te ara iahiko. Ina kati, ka tukuna te iahiko kia rere; ina tuwhera, ka whakamutua, ka whakamutua rānei te rere o te iahiko.
5. He aha te take e kiia ai he morearea te ara iahiko poto?
   • WhakautuI roto i te ara iahiko poto, he tino iti te ātete, ka puta he iahiko tino teitei. Ka taea e tēnei te wera rawa, te ahi, te kino rānei o ngā wāhanga, ā, me tiaki mai i ngā fiusi, i ngā kaiwawao ara iahiko rānei.
6. He aha te mahi a te fuse, a te breaker rānei i roto i te ara iahiko?
   • WhakautuHe taputapu tiaki ngā fiusi me ngā kaiwawao hiko kua hangaia hei whakakore i te hiko mena ka nui ake te iahiko i tētahi taumata haumaru kua whakaritea. Ahakoa ka "pahū" ka "rewa" rānei ngā fiusi, ka pakaru te hiko, ka "whati" ngā kaiwawao hiko, ā, ka taea te tautuhi anō i muri i te whakakorenga o te hiko.
7. He pēhea te whakaahuatanga a te Ture Au o Kirchhoff (KCL) i ngā au i te hononga o te ara iahiko?
   • WhakautuE ai ki te Ture Au o Kirchhoff, ko te tapeke o ngā iahiko e tomo ana ki tētahi hononga he rite ki te tapeke o ngā iahiko e wehe atu ana i taua hononga. Ko te tikanga o tēnei he kōrero mō te tiakitanga o te utu hiko.
8. He aha te rerekētanga i waenga i te AC (Au Hurihuri) me te DC (Au Tika)?
   • WhakautuKo te hiko DC e pā ana ki te rere kotahi-ahunga o te utu hiko, mai i te pākahiko, i te pūtake hiko DC rānei. Ko te hiko AC, i tētahi atu ringa, he utu hiko e huri haere ana i ia wā, pērā i te mea e tukuna mai ana i te whatunga hiko i roto i te maha o ngā whenua.
9. He aha te tikanga o te kupu "whenua" i roto i ngā ara iahiko hiko?
   • WhakautuKo te "Whenua" e pā ana ki tētahi pūwāhi tohutoro i roto i tētahi ara iahiko hiko e inehia ai ētahi atu ngaohiko, he ara whakahoki noa rānei mō te iahiko hiko, he hononga ā-tinana tika rānei ki a Papatūānuku.
10. He aha i whakamahia ai ngā pūnga hiko i roto i ngā ara iahiko?

• WhakautuKa rongoa, ka tukuna hoki e ngā pūnga hiko te pūngao hiko. E whakamahia ana ēnei i roto i ngā ara iahiko mō ngā kaupapa maha, pērā i te tātari, te whakangawari i ngā piki me ngā heke o te ngaohiko, te hono me te wetewete i ngā tohu AC, me ngā huānga wā i roto i ngā oscillator.