Mbipụta eletriki - nsogbu na ngwọta ya

Mbipụta eletriki - nsogbu na ngwọta ya

1. R ₁ , = 6 Ω, R ₂ = R ₃ = 2 Ω, na voltaji = 14 volts, chọpụta ọkụ eletrik dị na sekit dịka egosiri na eserese dị n'okpuru.

A maara:

Resistor 1 (R1 ₎ = 6 Ω

Resistor 2 (R2 ₎ = 2 Ω

Resistor 3 (R3 ₎ = 2 Ω

Voltaji (V) = Voltaji 14

Achọrọ: Ọkụ eletrik (I)

Ngwọta:

Ihe mgbochi nhata (R):

A na-ejikọ R ₂ na R ₃ n'otu oge. Ihe mgbochi nhata:

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

R ₂₃ = 2/2 = 1 Ω

A na-ejikọ R ₁ na R ₂₃ n'usoro. Ihe mgbochi nhata:

R = R ₁ + R ₂₃ = 6 Ω + 1 Ω

R = 7 Ω

Ọkụ eletrik (I):

I = V / R = 14 / 7 = Amperes 2

2. Olee nke n'ime sekit eletriki dịka egosiri n'okpuru nwere ọkụ eletrik ka ukwuu.

Ngwọta:

Nguzogide nke resistor bụ R na voltaji eletrik bụ V.

Azịza A.

A na-ejikọ R ₁ , R ₂ na R ₃ n'usoro. Ihe mgbochi nhata:

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

Ọkụ eletrik (I):

Azịza B.

A na-ejikọ R ₁ , R ₂ na R ₃ n'otu oge. Ihe mgbochi nhata:

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

R _B = R/3

Ọkụ eletrik (I):

Azịza C.

A na-ejikọ R ₂ na R ₃ n'otu oge. Ihe mgbochi nhata:

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

R ₂₃ = R/2

A na-ejikọ R ₁ na R ₂₃ n'usoro. Ihe mgbochi nhata:

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

Ọkụ eletrik (I):

Azịza D.

A na-ejikọ R ₁ na R ₂ n'otu oge. Ihe mgbochi nhata:

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

R ₁₂ = R/2

A na-ejikọ R ₁₂ na R ₃ n'usoro. Ihe mgbochi nhata:

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

Ọkụ eletrik (I):

3. R _{​​​​1} = 4 ohms, R ₂ = 6 ohms, R ₃ = 2 ohms, na V = 24 volts. Kedu ihe bụ ọkụ eletrik dị na sekit dịka egosiri na foto dị n'okpuru.

A maara:

Resistor 1 (R1 ₎ = 4 Ohm

Resistor 2 (R2 ₎ = 6 Ohm

Resistor 3 (R ₃ ) = 2 Ohm

Voltaji (V) = Voltaji iri na abụọ

Achọrọ: Ọkụ eletrik dị na sekit

Ngwọta:

A na-ejikọ R ₁ , R ₂ na R ₃ n'usoro. Ihe mgbochi nhata:

R = R ₁ + R ₂ + R ₃ = 4 + 6 + 2

R = 12 Ohm

Ọkụ eletrik:

I = V / R = 24 / 12 = Amperes 2

4. Olee nke n'ime sekit eletriki dịka egosiri n'okpuru nwere ọkụ eletrik ka ukwuu.

ngwọta

Ọkụ eletrik dị na sekit A.

Ihe na-eguzogide otu ihe ahụ:

R ₁ = 3 Ω, R ₂ = 4 Ω, R ₃ = 4 Ω, V = 12 Volts

A na-ejikọ R ₂ na R ₃ n'otu oge. Ihe mgbochi nhata:

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

R ₂₃ = 2/1 = 2 Ω

A na-ejikọ R ₁ na R ₂₃ n'usoro. Ihe mgbochi nhata:

R = R ₁ + R ₂₃ = 3 Ω + 2 Ω = 5 Ω

Ọkụ eletrik (I):

I = V / R = 12 / 5 = Amperes 2.4

Ọkụ eletrik dị na sekit B.

Ihe na-eguzogide otu ihe ahụ:

R ₁ = 8 Ω, R ₂ = 2 Ω, R ₃ = 2 Ω, V = 36 Volts

A na-ejikọ R ₁ , R ₂ na R ₃ n'usoro. Ihe mgbochi nhata:

R = R ₁ + R ₂ + R ₃ = 8 + 2 + 2 = 12 Ω

Ọkụ eletrik (I):

I = V / R = 36 / 12 = Amperes 3

Ọkụ eletrik dị na sekit C.

Ihe na-eguzogide otu ihe ahụ:

R ₁ = 4 Ω, R ₂ = 4 Ω, R ₃ = 6 Ω, V = 12 Volts

A na-ejikọ R ₂ na R ₃ n'otu oge. Ihe mgbochi nhata:

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

Ọkụ eletrik (I):

I = V / R = 12 / 1.5 = Amperes 8

Ọkụ eletrik dị na sekit D.

Ihe na-eguzogide otu ihe ahụ:

R ₁ = 3 Ω, R ₂ = 3 Ω, R ₃ = 3 Ω, R ₄ = 3 Ω, R ₅ = 6 Ω, V = 24 Volts

A na-ejikọ R ₂ , R ₃ na R ₄ n'otu oge. Ihe mgbochi nhata:

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

A na-ejikọ R ₁ , R ₂₃₄ na R ₅ n'usoro. Ihe mgbochi nhata:

R = R ₁ + R ₂₃₄ + R ₅ = 3 + 1 + 6 = 9 Ω

Ọkụ eletrik (I):

I = V / R = 24 / 9 = Amperes 2.6

5. Dịka eserese egosiri n'okpuru, chọpụta:

A. Nguzogide zuru oke

B. Ọkụ eletrik dị na sekit

C. Ugbu a I ₁

D. Ugbu a I ₂

A maara:

Resistor 1 (R1 ₎ = 4 Ω

Resistor 2 (R2 ₎ = 4 Ω

Resistor 3 (R3 ₎ = 2 Ω

Resistor 4 (R4 ₎ = 3 Ω

Voltaji eletriki (V) = Voltaji iri abụọ na anọ

Ngwọta:

A. Nguzogide zuru oke (R)

A na-ejikọ Resistor R ₂ na Resistor R ₃ n'usoro. Resistor nhata:

R ₂₃ = R ₂ + R ₃ = 4 Ω + 2 Ω = 6 Ω

Njikọta Resistor R ₂₃ na Resistor R ₄ na-agakọ n'otu oge. Resistor nke nhata:

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

A na-ejikọ Resistor R ₁ na Resistor R ₂₃₄ n'usoro. Resistor nhata:

R = R ₁ + R ₂₃₄ = 4 Ω + 2 Ω = 6 Ω

Nguzogide zuru oke bụ 6 ohms.

B. Ọkụ eletrik dị na sekit (I)

V = IR

V = voltaji eletriki, I = ọkụ eletrik, R = iguzogide ọkụ eletrik

Ọkụ eletrik:

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

C. Ọkụ eletrik I ₁

Ọkụ eletrik dị na resistor R ₁ = ọkụ eletrik dị na sekit = Amperes 2.

D. Ugbu a I ₂

Nguzogide R₂₃ na ihe mgbochi R₄ ejikọtara ha n'otu oge. Resistor nhata R₂₃₄ = 2 Ohms.

Ọkụ eletrik dị na resistor R ₂₃₄ = ọkụ eletrik dị na resistor R ₁ = 2 Ampere.

Voltaji dị na resistor R ₂₃₄ bụ:

V = IR ₂₃₄ = (2 A)(2 Ohm) = Volt 4

Voltaji dị na resistor R ₂₃₄ = voltaji dị na resistor R ₄ = voltaji dị na resistor R ₂₃ = Voltaji 4.

Nguzogide nhata R ₂₃ bụ 6 Ohm.

Ọkụ eletrik dị na resistor R ₂₃ bụ:

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

Ọkụ eletrik dị na resistor R ₂₃ = Ọkụ eletrik dị na resistor R ₂ = Ọkụ eletrik dị na resistor R ₃ = 2/3 Ampere.

6. R ₁ = R ₂ = 10 Ω na R ₃ = R ₄ = 8 Ω. Kedu ihe bụ ọkụ eletrik dị na sekit dịka egosiri na foto dị n'okpuru?

A maara:

Nguzogide R ₁ = Nguzogide R ₂ = 10 Ω

Nguzogide R ₃ = Nguzogide R ₄ = 8 Ω

Voltaji eletriki (V) = Voltaji iri abụọ na anọ

Achọrọ: ọkụ eletrik (I)

Ngwọta:

Resistor nhata ahụ

A na-ejikọ Resistor R ₃ na Resistor R ₄ n'otu oge, Resistor nhata:

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

R ₃₄ = 8/2 = 4 Ω

A na-ejikọ ndị na-eguzogide R ₁ , R ₂ na R ₃₄ n'usoro, ihe na-eguzogide otu nhata:

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

Ọkụ eletrik:

I = V / R = Volt 12 / Ohms 24 = Volt 0,5/Ohms = Amps 0.5

7. Ọ bụrụ na eleghara ike ime batrị anya, kedu ka ọkụ eletrik dị na sekit egosiri na foto dị n'okpuru.

A maara:

Nguzogide R ₁ = 3 Ohm

Nguzogide R ₂ = 3 Ohm

Nguzogide R ₃ = 6 Ohm

Voltaji eletriki (V) = Voltaji iri abụọ na anọ

Achọrọ: Ọkụ eletrik (I)

Ngwọta:

Ihe mgbochi nhata

A na-ejikọ resistors R ₁ na R ₂ n'usoro. Resistor nhata:

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

Njikọta Resistor R ₁₂ na resistor 3 na-agakọ n'otu oge. Resistor nke nhata:

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

R = 6/2 = 3 Ohms

Ọkụ eletrik:

I = V / R = 6 / 3 = Amperes 2

8. Kedu ihe bụ mkpokọta ọkụ eletrik dị na sekit dịka egosiri na foto dị n'okpuru.

A maara:

Nguzogide R ₁ = 6 Ohm

Nguzogide R ₂ = 4 Ohm

Ọkụ eletriki (V) = Volt 6

Nguzogide dị n'ime (r) = 0.6 Ohms

Achọrọ: Ọkụ eletrik

Ngwọta:

Njikọta Resistor R ₁ na Resistor R ₂ na-agakọ n'otu oge. Resistor nke nhata:

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 Ohm

Njikọta Resistor R _{P na nguzogide dị n'ime (r) na usoro. Resistor nke yiri ya:}

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

Ọkụ eletrik dị na sekit ahụ:

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

1. Kedu ihe bụ sekit eletriki?
   • Azịza: Sekit eletriki bụ ụzọ ma ọ bụ okirikiri mechiri emechi nke ọkụ eletrik nwere ike ịgba ọsọ mgbe niile. Ọ na-abụkarị isi iyi voltaji (dịka batrị), ibu (dịka resistors, LEDs, moto), na ndị na-eduzi iji jikọọ ha.
2. Gịnị na-eme ka sekit usoro dị iche na sekit parallel dị iche?
   • Azịza: Na sekit usoro, a na-ejikọ ihe mejupụtara ya site na njedebe ruo na njedebe, yabụ enwere otu ụzọ maka ugbu a. Na sekit parallel, a na-ejikọ ihe mejupụtara ya n'ofe isi ihe ma ọ bụ njikọ nkịtị, na-enye ọtụtụ ụzọ maka ugbu a.
3. Kedu ka Iwu Ohm si ejikọta voltaji, ọkụ eletrik, na iguzogide na sekit?
   • AzịzaIwu Ohm kwuru na nke ugbu a ($I$) na-agafe na onye na-eduzi ihe n'etiti isi ihe abụọ bụ kpọmkwem nhata na voltaji ($V$) gafee isi ihe abụọ ahụ ma na-agbanwe agbanwe na nguzogide ($R$). A na-anọchite anya ya dị ka I=V/R​.
4. Kedu ọrụ nke swiichi na sekit eletriki?
   • Azịza: Switch na-achịkwa usoro mmiri ọkụ eletrik na sekit. Mgbe emechiri ya, ọ na-ekwe ka mmiri ọkụ eletrik na-asọ; mgbe emepere ya, ọ na-akwụsị ma ọ bụ na-akwụsị usoro mmiri ọkụ eletrik.
5. Gịnị mere e ji ele obere sekit anya dị ka ihe dị ize ndụ?
   • Azịza: N'ime obere sekit, nguzogide ahụ dị obere nke ukwuu, na-eme ka ọkụ dị elu na-asọ. Nke a nwere ike ibute oke okpomọkụ, ọkụ, ma ọ bụ mmebi nke ihe mejupụtara ya, a ga-echekwa ya site na iji fuse ma ọ bụ ihe mgbawa sekit.
6. Kedu ọrụ nke fuse ma ọ bụ ihe mgbawa sekit na sekit?
   • Azịza: Ma fuse na sekit breakers bụ ngwaọrụ nchekwa e mere iji kwụsị sekit ma ọ bụrụ na ọkụ eletrik gafere ọkwa nchekwa edobere. Ọ bụ ezie na fuse na- "gbazee" ma ọ bụ "gbazee", na-agbaji sekit ahụ, sekit breakers na- "jere", a pụkwara ịtọgharịa ha mgbe ha kwụsịrị sekit ahụ.
7. Kedu ka Iwu Ugbu A nke Kirchhoff (KCL) si akọwa mmiri ozuzo n'ebe njikọ dị na sekit?
   • Azịza: Iwu Kirchhoff nke Ugbu a kwuru na ngụkọta nke ọkụ eletrik na-abanye na njikọ hà nhata na ngụkọta nke ọkụ eletrik na-apụ na njikọ ahụ. Nke a bụ n'ezie nkwupụta nke nchekwa nke chajị ọkụ eletrik.
8. Kedu ihe dị iche n'etiti AC (Alternating Current) na DC (Direct Current)?
   • Azịza: DC na-ezo aka na ngagharị otu ụzọ nke chajị eletriki, nke na-esikarị na batrị ma ọ bụ ọkụ eletrik DC. N'aka nke ọzọ, AC bụ chajị eletriki nke na-agbanwe ntụziaka mgbe ụfọdụ, dịka ihe a na-enye site na grid ike n'ọtụtụ mba.
9. Gịnị ka okwu ahụ bụ "ala" na-ezo aka na sekit eletriki?
   • Azịza"Ala" na-ezo aka na ebe ntụaka dị na sekit eletriki ebe a na-atụ voltaji ndị ọzọ, ma ọ bụ ụzọ nloghachi nkịtị maka ọkụ eletrik, ma ọ bụ njikọ anụ ahụ kpọmkwem na Ụwa.
10. Gịnị mere e ji eji capacitors eme ihe na sekit eletriki?

• Azịza: Capacitors na-echekwa ma na-ewepụta ike eletriki. A na-eji ha na sekit maka ebumnuche dị iche iche, dịka nzacha, mgbanwe voltaji dị nro, njikọta na ịgbasa akara AC, yana ihe nhazi oge na oscillators.