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

Akabvunzwa : Simba remvura inoyerera

Mhinduro:

Verenga chinotsiva chinodzivisa (R):

R₂ uye R₃ yakabatana zvakafanana. Chinodzivirira chinotsiva ndeichi:

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

R₂₃ = 2/2 = 1 Ω

R₁ uye R₂₃ yakabatana muzvikamu zvakatevedzana. Chinodzivirira chinotsiva ndeichi:

R= R₁ +R₂₃ = 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, ipapo divi rakakodzera remagetsi rinoratidzwa panzvimbo...

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 R₁ = 4 ohms, R₂ = 6 ohms, R₃ = 2 ohms, uye V = 24 volts, saka hukuru hwemvura inoyerera ndi mune ino nhevedzano vari...

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 remvura iri kuyerera mudunhu

Mhinduro:

R₁, R₂ uye R₃ yakabatana muzvikamu zvakatevedzana. Chinodzivirira chinotsiva ndeichi:

R= R₁ +R₂ +R₃ = 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. L₂

C.L.₃

D.L₄

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 anopfuura nepanobva emf ndiro rambi mbiri (L).₂) iri pedyo nekona yepamusoro kurudyi.

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):

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

R₂ uye R₃ yakabatana zvakafanana. Chinodzivirira chinotsiva ndeichi:

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

R₂₃ = 2/1 = 2 Ω

R₁ uye R₂₃ yakabatana muzvikamu zvakatevedzana. Chinodzivirira chinotsiva ndeichi:

R= R₁ +R₂₃ = 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):

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

R₁, R₂ uye R₃ yakabatana muzvikamu zvakatevedzana. Chinodzivirira chinotsiva ndeichi:

R= R₁ + R₂ + R₃ = 8 + 2 + 2 = 12 Ω

Simba remagetsi (I):

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

Mwenje wemagetsi uri mudunhu C.

Chinodzivirira chinotsiva (R):

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

R₂ uye R₃ yakabatana zvakafanana. Chinodzivirira chinotsiva ndeichi:

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

R₂₃ = 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 uye R₄ yakabatana zvakafanana. Chinodzivirira chinotsiva ndeichi:

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

R₂₃₄ = 3/3 = 1 Ω

R₁, R₂₃₄ uye R₅ yakabatana muzvikamu zvakatevedzana. Chinodzivirira chinotsiva ndeichi:

R= R₁ +R₂₃₄ +R₅ = 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. Iye zvino I₁

D. Iye zvino I₂

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)

Mudziviriri R₂ uye resistor R₃ yakabatana muzvikamu zvakatevedzana. Chinodzivirira chinotsiva ndeichi:

R₂₃ =R₂ +R₃ = 4 Ω + 2 Ω = 6 Ω

Mudziviriri R₂₃ uye zvinodzivirira R₄ yakabatana zvakafanana. Chinodzivirira chinotsiva ndeichi:

1 / R₂₃₄ = 1 /R₂₃ + 1/R₄ = 1/6 + 1/3 = 1/6 + 2/6 = 3/6

R₂₃₄ = 6/3 = 2 Ω

Mudziviriri R₁ uye zvinodzivirira R₂₃₄ yakabatana muzvikamu zvakatevedzana. Chinodzivirira chinotsiva ndeichi:

R = R₁ + R₂₃₄ = 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

Mwenje wemagetsi unopfuura nemu resistor R₁ = magetsi anopfuura nemudunhu = 2 Amperes.

D. Iye zvino I₂

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

Mudziviriri R₂₃ uye zvinodzivirira R₄ yakabatana zvakafanana. Chinodzivirira chinotsiva zvichibva pamhedzisiro yekuverenga yapfuura ndeche R₂₃₄ = 2 Ahm.

Mwenje wemagetsi unopfuura nemu resistor R₂₃₄ = magetsi anopfuura nemu resistor R₁ = 2 Amperes.

Musiyano ungangovapo pakati pemagumo maviri e resistor R₂₃₄ ndeizvi:

V = IR₂₃₄ = (2 A)(2 Ohm) = 4 Volt

Musiyano ungangovapo pakati pemagumo maviri eresistor R₂₃₄ = musiyano ungangovapo pakati pemagumo maviri e resistor R₄ = musiyano ungangovapo pakati pemagumo maviri e resistor R₂₃ = 4 Volts.

Chinotsiva chinodzivisa R₂₃ zvichibva pamhedzisiro yekuverenga kwekare ndeye 6 Ohm.

Saka magetsi emagetsi anopfuura nemuchina unotsiva R₂₃ ndeizvi:

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

Mwenje wemagetsi unopfuura nemu resistor R₂₃ = magetsi anopfuura nemu resistor R₂ = magetsi anopfuura nemu resistor R₃ = 2/3 Ampere.

8. Tarisa circuit yemagetsi padivi! Kana R₁ =R₂ = 10 Ω uye R₃ =R₄ = 8 Ω. Mvura inoyerera (I) yakakura sei?

A. 0,5 A

B. 2 A

C. 36 A

D. 288 A

Kukurukurirana

Zvinozivikanwa kuti:

Mudziviriri R₁ = Mudziviriri R₂ = 10 Ω

Mudziviriri R₃ = Mudziviriri R₄ = 8 Ω

Mhepo yemagetsi (V) = 12 Volts

Akabvunzwa: Simba remagetsi (I) ari kuyerera

Mhinduro:

Chinodzivirira chinotsiva (R).

Mudziviriri R₃ uye resistor R₄ yakabatana 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

Mudziviriri R₁, R₂ uye R₃₄ yakabatana muzvikamu zvakatevedzana, resistor yekutsiva ndeiyi:

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:

Mudziviriri R₁ uye R₂ yakarongwa zvakatevedzana. Chinodzivirira chinotsiva ndeichi:

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 mufananidzo we closed circuit uri pazasi! Mwero wese wemagetsi 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

Akabvunzwa: Huwandu hwemagetsi 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.

Akabvunzwa: 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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