3 Izibonelo zemibuzo yesekethe ye-resistor
1. Uchungechunge lwama-resistor angezansi anokumelana okulingana kakhulu...

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Impendulo A
R1 = 2 Ω, R2 = 2 Ω, R3 = 6 Ω, R4 = 6 Ω
R3 kanye no-R4 ixhunywe ngokulingana. I-resistor yokufaka esikhundleni yile:
1 / R34 = 1/R3 +1/R4 = 1/6 + 1/6 = 2/6
R34 = 6/2 = 3 Ω
R1, R2 kanye no-R34 ixhunywe ochungechungeni. I-resistor yokufaka esikhundleni yile:
R = R1 + R2 + R34 = 2 Ω 2 + Ω 3 + Ω
R = 7Ω
Impendulo B
R1 = 2 Ω, R2 = 4 Ω, R3 = 4 Ω, R4 = 8 Ω
R2 kanye no-R3 ixhunywe ochungechungeni. I-resistor yokufaka esikhundleni yile:
R23 = R2 + R3 = 4 Ω 4 + Ω = 8 Ω
R23 kanye no-R4 ixhunywe ngokulingana. I-resistor yokufaka esikhundleni yile:
1 / R234 = 1/R23 +1/R4 = 1/8 + 1/8 = 2/8
R234 = 8/2 = 4 Ω
R1 kanye no-R234 ixhunywe ochungechungeni. I-resistor yokufaka esikhundleni yile:
R = R1 + R234 = 2 Ω + 4 Ω
R = 6 Ω
Impendulo C
R1 = 9 Ω, R2 = 9 Ω, R3 = 9 Ω, R4 = 2 Ω
R1, R2 kanye no-R3 ixhunywe ngokulingana. I-resistor yokufaka esikhundleni yile:
1 / R123 = 1 /R1 + 1/R2 +1/R3 = 1/9 + 1/9 + 1/9 = 3/9
R123 = 9/3 = 3 Ω
R123 kanye no-R4 ixhunywe ochungechungeni. I-resistor yokufaka esikhundleni yile:
R = R123 + R4 = 3 Ω + 2 Ω
R = 5 Ω
Impendulo D
R1 = 5 Ω, R2 = 10 Ω, R3 = 2 Ω, R4 = 2 Ω
R1 kanye no-R2 ixhunywe ngokulingana. I-resistor yokufaka esikhundleni yile:
1 / R12 = 1/R1 +1/R2 = 1/5 + 1/10 = 2/10 + 1/10
1 / R12 = 3 / 10
R12 = 10 / 3 Ω
R3 kanye no-R4 ixhunywe ngokulingana. I-resistor yokufaka esikhundleni yile:
1 / R34 = 1/R3 +1/R4 = 1/2 + 1/2 = 2/2
R34 = 1 Ω
R12 kanye no-R34 ixhunywe ochungechungeni. I-resistor yokufaka esikhundleni yile:
R = R12 + R34 = 10/3 + 3/3 = 13/3
R = 4,3 Ω
Impendulo efanele ngu-A.
2. Ukumelana okulinganayo esithombeni esingezansi kungukuthi…
A. 26 Ohm
B. 16 Ohms
C. 15 Ohms
D. 11 Ohm
Ama-resistor angu-6 Ω, 3 Ω kanye no-2 Ω axhunywe ngokulingana. Ama-resistor angena esikhundleni yilawa:
1 / RP = 1/6 + 1/3 + 1/2 = 1/6 + 2/6 + 3/6 = 6/6
RP = 6/6 = 1 Ω
Ama-resistor angu-7 Ω, 8 Ω, kanye no-1 Ω axhunyiwe ngokulandelana. Ama-resistor angena esikhundleni yilawa:
R = 7 + 8 + 1 = 16 Ω
Impendulo efanele ingu-B.
3. Malini i-Rp ku-mixed circuit engezansi?
A. 8 ohms
B. 1/8 ohm
C. 1 ohm
D. 7 ohms
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Kuyaziwa ukuthi:
Isivikelo 1 (R)1) = 2 Ohms
Isivikelo 2 (R)2) = 2 Ohms
Isivikelo 3 (R)3) = 2 Ohms
Isivikelo 4 (R)4) = 2 Ohms
Kubuziwe: Isithambisi sokufaka esikhundleni
Impendulo:
Umphikisi R2 kanye ne-resistor R3 ixhunywe ngokulingana. Isithambisi sokufaka esikhundleni:
1 / R23 = 1/R2 +1/R3
1 / R23 = 1/2 + 1/2 = 2/2
R23 = 1 Ohm
Umphikisi R1, isithambisi R23 kanye ne-resistor R3 ixhunywe ochungechungeni. Isivikelo sokufaka esikhundleni:
R = R1 + R2 + R3 = 2 + 1 + 2
R = 5 Ohm
Impendulo efanele ingu-5 Ohms.
Umthombo wombuzo:
Imibuzo Yokuhlolwa Kazwelonke Yesayensi Yesikole Samabanga Aphansi/Isikole SamaSulumane Samabanga Aphakeme