Muenzaniso wemibvunzo yemagetsi

Mienzaniso gumi neshanu yeMatambudziko eMagetsi eDenderedzwa

1. Tarisa mufananidzo!

Kana R1 _, = 6 Ω, R2 ₌ R3 ₌ 2 Ω, uye musiyano uripo uri 14 volts, saka hukuru hwemvura inoyerera...

A. 7 A

B. 6 A

C. 2 A

D. 1 A

Kukurukurirana

Zvinozivikanwa kuti:

Mudziviriri 1 (R1 ₎ = 6 Ω

Mudziviriri 2 (R2 ₎ = 2 Ω

Mudziviriri 3 (R3 ₎ = 2 Ω

Musiyano ungangoitika (V) = 14 Volts

Mubvunzo : Mvura inoyerera nesimba rakadii?

Mhinduro:

Verenga chinotsiva chinodzivisa (R):

R2 _{naR3 zvakabatana} zvakafanana. Zvinotsiva zvinotsiva ndeizvi :

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

R ₂₃ = 2/2 = 1 Ω

R1 _{naR23 zvakabatana} zvakatevedzana. Chinodzivirira chinotsiva ndeichi :

R = R ₁ + R ₂₃ = 6 Ω + 1 Ω

R = 7Ω

Verenga simba remagetsi (I):

Ini = V / R = 14 / 7 = 2 Ampere

Mhinduro chaiyo ndiC.

2. Kana resistor yega yega ine kukosha kwakafanana uye yakaiswa pamutengo wakafanana, saka dunhu rine kukosha kukuru kwemagetsi ndiro...

Kukurukurirana

Ngatitii kukosha kwe resistor yega yega iri R uye musiyano uripo uri V.

Mhinduro chaiyo ndeiyi B.

3. Tarisa mufananidzo!

Kana switch S2 _yakabatana , divi rakakodzera remagetsi rinoratidzwa nepoindi...

A. A – B – E – F

B. B – C – D – F

C. A – C – D – F

D. F – E – B – A

Kukurukurirana

Mhepo yemagetsi inofamba kubva panzvimbo ine simba guru kuenda panzvimbo ine simba shoma. Kana switch s2 yakavharwa (switch s2 iri pedyo nepoindi A), ipapo simba remagetsi rinofamba kubva kuA kuenda kuB kuenda kuE kuenda kuF. Mhepo yemagetsi haifambi kuenda kuC neD nekuti C neD zviri mudunhu rakavhurika.

Mhinduro chaiyo ndiA.

4. Tarisa mufananidzo unotevera!

Kana R ₁ = 4 ohms, R ₂ = 6 ohms, R ₃ = 2 ohms, uye V = 24 volts, saka huwandu hwemagetsi ari kufamba mudunhu...

A. 0,5 ampere

B. 1 ampere

C. 2 ampere

D. 12 amperes

Kukurukurirana

Zvinozivikanwa kuti:

Mudziviriri 1 (R1 ₎ = 4 Ohm

Mudziviriri 2 (R2 ₎ = 6 Ohm

Mudziviriri 3 (R3 ₎ = 2 Ohm

Mhepo yemagetsi (V) = 24 Volts

Akabvunzwa: Simba remagetsi ari kuyerera mudunhu

Mhinduro:

R1 _, R2 _naR3 zvakabatana zvakatevedzana. Zvinotsiva zvinotsiva _ndeizvi :

R = R ₁ + R ₂ + R ₃ = 4 + 6 + 2

R = 12 Ohm

Mwenje wemagetsi uri kuyerera mudunhu:

Ini = V / R = 24 / 12 = 2 Ampere

Mhinduro chaiyo ndiC.

5. Tarisa mufananidzo! Rambi rine magetsi akafanana nemagetsi anopfuura nepanobva emf...

A. L₁

B. L ₂

C. L ₃

D. L ₄

Kukurukurirana

Mutemo wekutanga waKirchhoff unoti magetsi anopinda nepabazi achapatsanuka. Semuenzaniso, kana magetsi achiyerera kubva kunobva emf ari maAmpere mana, kana achipinda mumatavi maviri, magetsi aya anopatsanurwa kuita maviri, waya imwe neimwe iine magetsi e2 Amperes. 2 Amperes current inopatsanurwa kuita maviri kana magetsi achipinda mubazi rine matavi maviri. Zvisinei, zvichienderana nemufananidzo uri pamusoro, magetsi akapatsanurwa anozopedzisira abatana zvakare.

Saka zvichibva pamufananidzo uri pamusoro, rambi rine magetsi akafanana nemagetsi anopinda nepanobva emf irambi rechipiri (L2 ₎ riri pedyo nekona yepamusoro yekurudyi.

Mhinduro chaiyo ndeiyi B.

6. Kubva padhayagiramu yedunhu rinotevera, ndeipi ichafambisa magetsi akawanda kupfuura mamwe ese?

Kukurukurirana

Mwenje wemagetsi uri mudunhu A.

Chinodzivirira chinotsiva (R):

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

R2 _{naR3 zvakabatana} zvakafanana. Zvinotsiva zvinotsiva ndeizvi :

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

R ₂₃ = 2/1 = 2 Ω

R1 _{naR23 zvakabatana} zvakatevedzana. Chinodzivirira chinotsiva ndeichi :

R = R ₁ + R ₂₃ = 3 Ω + 2 Ω = 5 Ω

Simba remagetsi (I):

Ini = V / R = 12 / 5 = 2,4 Ampere

Mwenje wemagetsi uri mudunhu B.

Chinodzivirira chinotsiva (R):

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

R1 _, R2 _naR3 zvakabatana zvakatevedzana. Zvinotsiva _zvinotsiva ndeizvi :

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

Simba remagetsi (I):

Ini = V / R = 36 / 12 = 3 Ampere

Mwenje wemagetsi uri mudunhu C.

Chinodzivirira chinotsiva (R):

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

R2 _{naR3 zvakabatana} zvakafanana. Zvinotsiva zvinotsiva ndeizvi :

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

Simba remagetsi (I):

Ini = V / R = 12 / 1,5 = 8 Ampere

Mwenje wemagetsi uri mudunhu D.

Chinodzivirira chinotsiva (R):

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

R2 _, R3 _naR4 zvakabatana zvakafanana. Zvinotsiva zvinotsiva _ndeizvi :

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

R1 _, R234 _naR5 zvakabatana zvakatevedzana. Zvinotsiva zvinotsiva _ndeizvi :

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

Simba remagetsi (I):

Ini = V / R = 24 / 9 = 2,6 Ampere

Mhinduro chaiyo ndiC.

7. Teererai nyaya dzinotevera!

Sarudza:

A. Kuramba zvachose

B. Hukuru hwemagetsi ari mudunhu

C. Ikozvino I ₁

D. Ikozvino I ₂

Kukurukurirana

Zvinozivikanwa kuti:

Mudziviriri 1 (R1 ₎ = 4 Ω

Mudziviriri 2 (R2 ₎ = 4 Ω

Mudziviriri 3 (R3 ₎ = 2 Ω

Mudziviriri 4 (R4 ₎ = 3 Ω

Mhepo yemagetsi (V) = 12 Volts

Mhinduro:

A. Kuramba zvachose (R)

MaResistors R2 neR3 _{akabatana akatevedzana} . MaResistors ekutsiva ndeaya:

R ₂₃ = R ₂ + R ₃ = 4 Ω + 2 Ω = 6 Ω

Resistor R ₂₃ ne resistor R ₄ zvakabatana zvakafanana. Resistor inotsiva ndeiyi:

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

Resistor R ₁ ne resistor R ₂₃₄ zvakabatana zvakatevedzana. Resistor inotsiva ndeiyi:

R = R ₁ + R ₂₃₄ = 4 Ω + 2 Ω = 6 Ω

Saka kupokana kwese ndeye 6 Ohms.

B. Hukuru hwemagetsi ari mudunhu (I)

Fomura inotaura hukama huripo pakati pemagetsi, magetsi uye kuramba ndeiyi:

V = IR

Tsananguro yefomura: V = Voltage yemagetsi, I = magetsi emagetsi, R = kuramba kwemagetsi

Shandisa fomura iyi kuverenga simba remagetsi:

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

C. Iye zvino I₁

Mhepo yemagetsi inopfuura nemu resistor R ₁ = mhepo yemagetsi inopfuura nemudunhu = 2 Amperes.

D. Iye zvino I₂

Usati waverenga magetsi emagetsi achipfuura nepakati pe resistor R₂, tanga wateerera tsananguro inotevera.

MaResistors R ₂₃ naR 4 akabatana zvakafanana. Resistors inotsiva yakavakirwa pakuverenga kwekare iR ₂₃₄ = 2 _Ohm.

Mwenje wemagetsi unopfuura nemu resistor R ₂₃₄ = mwenje wemagetsi unopfuura nemu resistor R ₁ = 2 Amperes.

Musiyano ungangovapo pakati pemagumo maviri e resistor R₂₃₄ ndeizvi:

V = IR ₂₃₄ = (2 A)(2 Ohm ) = 4 Volts

Musiyano uripo pakati pemagumo maviri e resistor R ₂₃₄ = musiyano uripo pakati pemagumo maviri e resistor R ₄ = musiyano uripo pakati pemagumo maviri e resistor R ₂₃ = 4 Volts.

Chinotsiva R ₂₃ zvichibva pamhedzisiro yekuverenga yapfuura i6 Ohms.

Saka magetsi emagetsi anopfuura nemuchina unotsiva R₂₃ ndeizvi:

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

Mhepo yemagetsi inopfuura nemu resistor R ₂₃ = mhepo yemagetsi inopfuura nemu resistor R ₂ = mhepo yemagetsi inopfuura nemu resistor R ₃ = 2/3 Ampere.

8. Tarisa dunhu remagetsi riri padivi! Kana R ₁ = R ₂ = 10 Ω uye R ₃ = R ₄ = 8 Ω. Ko simba remagetsi (I) rinoyerera zvakadii?

A. 0,5 A

B. 2 A

C. 36 A

D. 288 A

Kukurukurirana

Zvinozivikanwa kuti:

Chidziviriro R ₁ = Chidziviriro R ₂ = 10 Ω

Chidziviriro R ₃ = Chidziviriro R ₄ = 8 Ω

Mhepo yemagetsi (V) = 12 Volts

Mubvunzo: Simba remagetsi (I) ari kuyerera

Mhinduro:

Chinodzivirira chinotsiva (R).

Resistor R3 _ne resistor R4 _zvakabatana zvakafanana, resistor inotsiva ndeiyi:

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

R ₃₄ = 8/2 = 4 Ω

MaResistors R1 _, R2 _naR34 akabatana akatevedzana, maResistors ekutsiva ndeaya _:

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

Simba remagetsi:

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

Mhinduro chaiyo ndiA.

9. Tarisa mufananidzo wedunhu remagetsi rakavharwa parutivi! Kana resistance iri mubhatiri ikasatariswa, zvinoreva kuti magetsi (I) ari kuyerera mudunhu iri…..

A. 0,5 Ampere

B. 1 Ampere

C. 2 Amperes

D. 3 Amperes

Kukurukurirana

Zvinozivikanwa kuti:

Mudziviriri R ₁ = 3 Ohm

Mudziviriri R ₂ = 3 Ohm

Mudziviriri R ₃ = 6 Ohm

Mhepo yemagetsi (V) = 6 Volts

Mubvunzo: Simba remagetsi (I)

Mhinduro:

Verenga chinotsiva chinodzivisa:

MaResistors R ₁ naR ₂ akabatana akatevedzana. MaResistors ekutsiva ndeaya:

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

Resistor R12 ne resistor 3 zvakabatana zvakafanana. Resistor inotsiva ndeiyi:

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

R = 6/2 = 3 Ohms

Simba remagetsi:

Ini = V / R = 6 / 3 = 2 Ampere

Mhinduro chaiyo ndiC.

10. Tarisa dhayagiramu yedunhu rakavharwa iri pazasi! Mwero wemagetsi wese uri mudunhu iri…..

A. 0,5 A

B. 0,6 A

C. 1,2 A

D. 2,0 A

Kukurukurirana

Zvinozivikanwa kuti:

Mudziviriri R ₁ = 6 Ohm

Mudziviriri R ₂ = 4 Ohm

Mhepo yemagetsi (V) = 6 Volts

Kudzivirira kwemukati (r) = 0,6 Ohm

Mubvunzo: Huwandu hwemagetsi ari mudunhu

Mhinduro:

Mudziviriri R₁ uye resistor R₂ yakabatana zvakafanana. Chinodzivirira chinotsiva ndeichi:

1/R _P = 1/R1 + 1/R2 = 1/6 + 1/4 = 4/24 + 6/24 = 10/24

R _P = 24/10 = 2,4 Ohm

Mudziviriri R_P uye resistance yemukati (r) yakabatana muzvikamu zvakatevedzana. Resistance yakaenzana ndeiyi:

R = R _P + r = 2,4 Ohm + 0,6 Ohm = 3,0 Ohm

Huwandu hwemagetsi ari mudunhu ndehwekuti:

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

Mhinduro chaiyo ndiD.

11.

Tarisa circuit yemagetsi iri padivi! Hukuru hwevoltage V hwakaita se…

A. 9,6 Volts
B. 6,4 Mavolts
C. 4,5 Volts
D. 3,2 Mavolts

Kukurukurirana

Zvinozivikanwa kuti:
Mudziviriri 1 (R)₁) = 16 Ohms
Mudziviriri 2 (R)₂) = 8 Ohms
Mudziviriri 3 (R)₃) = 6 Ohms
Mwenje wemagetsi (I) = 2 Amperes
Mubvunzo: Voltage yemagetsi (V)
Mhinduro:
Chinodzivirira chinotsiva
R₁ uye R₂ yakabatana muzvikamu zvakatevedzana. Chinodzivirira chinotsiva ndeichi:
R_A =R₁ +R₂ = 16 + 8 = 24 Ohms
R_A uye R₃ yakabatana zvakafanana. Chinodzivirira chinotsiva ndeichi:
1/R = 1/R_A +1/R₃ = 1/24 + 1/6
1/R = 1/24 + 4/24 = 5/24
R = 24/5 = 4,8 Ohms
Mhepo yemagetsi :
V = IR = (2)(4,8) = 9,6 Volt
Mhinduro chaiyo ndiA.

12. Tarisa dhayagiramu yemagetsi iri padivi! Kana resistance iri mu voltage source ikasatariswa, voltmeter V inoratidza voltage yakayerwa ye...

A. 4 V
B. 6 V
C. 9 V
D. 10 V

Kukurukurirana

Zvinozivikanwa kuti:
Mudziviriri 1 (R)₁) = 3,6 Ohms
Mudziviriri 2 (R)₂) = 6 Ohms
Mudziviriri 3 (R)₃) = 4 Ohms
Mwenje wemagetsi (I) = 1,5 Amperes
Mubvunzo: Voltage yemagetsi (V)
Mhinduro:
Chinodzivirira chinotsiva
R₂ uye R₃ yakabatana zvakafanana. Chinodzivirira chinotsiva ndeichi:
1 / R_A = 1 / R₂ +1/R₃ = 1/6 + 1/4
1 / R_A = 2/12 + 3/12 = 5/12
R_A = 12/5 = 2,4 Ohms
R₁ uye R_A yakabatana muzvikamu zvakatevedzana. Chinodzivirira chinotsiva ndeichi:
R = R₁ +R_A = 3,6 + 2,4 = 6 Ohms
Mhepo yemagetsi :
V = IR = (1,5)(6) = 9 Volt
Mhinduro chaiyo ndiC.

13.
Tarisa dhayagiramu yemagetsi yakavharwa inotevera! Kana resistance iri mu voltage source E ikasatariswa, ipapo voltmeter V inoratidza voltage yakayerwa ye...
A. 2 V
B. 4 V
C. 6 V
D. 12 V
Kukurukurirana
Zvinozivikanwa kuti:
Mudziviriri 1 (R)₁) = 3 Ohms
Mudziviriri 2 (R)₂) = 2 Ohms
Mudziviriri 3 (R)₃) = 4 Ohms
Mwenje wemagetsi (I) = 2 Amperes
Mubvunzo: Voltage yemagetsi (V)
Mhinduro:
Chinodzivirira chinotsiva
R₂ uye R₃ yakabatana muzvikamu zvakatevedzana. Chinodzivirira chinotsiva ndeichi:
R_A =R₂ +R₃ = 2 + 4 = 6 Ohms
R₁ uye R_A yakabatana zvakafanana. Chinodzivirira chinotsiva ndeichi:
1/R = 1/R₁ +1/R_A = 1/3 + 1/6
1/R = 2/6 + 1/6 = 3/6
R = 6/3 = 2 Ohms
Mhepo yemagetsi :
V = IR = (2)(2) = 4 Volt
Mhinduro chaiyo ndeiyi B.

14. Mudhayagiramu inotevera yemagetsi, A, B, C, D na E marambi akafanana eincandescent.

Kana rambi B rikabviswa, rambi rinopenya zvikuru rino...

A. mwenje A na C

B. mwenje A naD

C. marambi C naD

D. marambi C na E

E. marambi D naE

Kukurukurirana

Marambi mashanu akafanana eincandescent anoreva kuti rambi rega rega rine resistance yakafanana.

Nekuti kuramba kwacho kwakafanana, kupenya kwerambi kunoenderana chete nesimba remagetsi ari kufamba neparambi.

Zvinoenderana nemutemo wekutanga waKirchhoff, magetsi anopinda nepakati pemwenje D neE akafanana nekuti akabatana akatevedzana, nepo magetsi anopinda nepakati pedunhu rakafanana achakamurwa.

Kana rambi B rikabviswa, mwenje inopenya zvikuru imwenje D naE, uko mwenje yese ine murazvo wakafanana.

Mhinduro chaiyo ndiE.

15. Tarisa dhayagiramu yemagetsi inotevera!

Kana simba remagetsi riine mutsauko we24 volts, simba remagetsi riri padanho rekutanga (branch point I)…

A. 1,2 A

B. 2,0 A

C. 2,4 A

D. 3,0 A

Kukurukurirana

Zvinozivikanwa kuti:

Manyuko eEMF (E) = 24 Volts

Kudzivirira kwemukati (r) = 2 Ohm

Zvinopikisa 40 Ohm, 20 Ohm uye 20 Ohm.

Mubvunzo: Simba riripo pari zvino panzvimbo yebazi I

Mhinduro:

Ma resistors matatu akabatana zvakafanana, ma resistors ekutsiva ndeaya:

1/R = 1/40 + 1/20 + 1/20

1/R = 1/40 + 2/40 + 2/40

1/R = 5/40

R = 40/5

R = 8 Ohm

Kuvhara magetsi:

V = E – I r

V = 24 – I 2

Simba riripo pari zvino panzvimbo yebazi I:

V = IR

24 – Ini 2 = Ini 8

24 = I 8 + I 2

24 = Ini (10)

Ini = 24/10

I = 2,4 Amperes

Mhinduro chaiyo ndiC.

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