Ohatra 3 amin'ny fanontaniana momba ny circuit resistor
1. Ny andiana resistor etsy ambany izay manana ny resistor mitovy lehibe indrindra dia...

Discussion
Valiny A
R1 = 2 Ω, R2 = 2Ω, R3 = 6Ω, R4 = 6 Ω
R3 dan R4 mifandray mifanitsy. Ny resistor fanoloana dia:
1 / R34 = 1/R3 +1/R4 = 1/6 + 1/6 = 2/6
R34 = 6 / 2 = 3 Ω
R1, R2 dan R34 mifandray amin'ny andiany. Ny resistor fanoloana dia:
R = R1 + R2 + R34 = 2 Ω + 2 Ω + 3 Ω
R = 7Ω
Valiny B
R1 = 2Ω, R2 = 4Ω, R3 = 4Ω, R4 = 8 Ω
R2 dan R3 mifandray amin'ny andiany. Ny resistor fanoloana dia:
R23 = R2 + R3 = 4 Ω + 4 Ω = 8 Ω
R23 dan R4 mifandray mifanitsy. Ny resistor fanoloana dia:
1 / R234 = 1/R23 +1/R4 = 1/8 + 1/8 = 2/8
R234 = 8 / 2 = 4 Ω
R1 dan R234 mifandray amin'ny andiany. Ny resistor fanoloana dia:
R=R1 + R234 = 2 Ω + 4 Ω
R = 6 Ω
Valiny C
R1 = 9Ω, R2 = 9Ω, R3 = 9Ω, R4 = 2 Ω
R1, R2 dan R3 mifandray mifanitsy. Ny resistor fanoloana dia:
1 / R123 = 1 /R1 + 1/R2 +1/R3 = 1/9 + 1/9 + 1/9 = 3/9
R123 = 9/3 = 3 Ω
R123 dan R4 mifandray amin'ny andiany. Ny resistor fanoloana dia:
R=R123 + R4 = 3 Ω + 2 Ω
R = 5 Ω
Valiny D
R1 = 5Ω, R2 = 10Ω, R3 = 2Ω, R4 = 2 Ω
R1 dan R2 mifandray mifanitsy. Ny resistor fanoloana dia:
1 / R12 = 1/R1 +1/R2 = 1/5 + 1/10 = 2/10 + 1/10
1 / R12 = 3 / 10
R12 = 10 / 3 Ω
R3 dan R4 mifandray mifanitsy. Ny resistor fanoloana dia:
1 / R34 = 1/R3 +1/R4 = 1/2 + 1/2 = 2/2
R34 = 1 Ω
R12 dan R34 mifandray amin'ny andiany. Ny resistor fanoloana dia:
R=R12 + R34 = 10/3 + 3/3 = 13/3
R = 4,3 Ω
A ny valiny marina.
2. Ny fanoherana mitovy amin'ny sary etsy ambany dia…
A. 26 Ohm
B. 16 Ohm
C. 15 Ohm
D. 11 Ohm
Mifandray mifanitsy ireo resistora 6 Ω, 3 Ω ary 2 Ω. Ireto avy ireo resistora solony:
1 / RP = 1/6 + 1/3 + 1/2 = 1/6 + 2/6 + 3/6 = 6/6
RP = 6/6 = 1 Ω
Ampifandraisina amin'ny andiana resistors 7 Ω, 8 Ω, ary 1 Ω. Ireto avy ireo resistors solony:
R = 7 + 8 + 1 = 16 Ω
Ny valiny marina dia B.
3. Ohatrinona ny Rp ao amin'ny fizarana mifangaro etsy ambany?
A. 8 ohms
B. 1/8 ohm
C. 1 ohm
D. 7 ohms
Discussion
Fantatra fa:
Resistor 1 (R1) = 2 Ôhm
Resistor 2 (R2) = 2 Ôhm
Resistor 3 (R3) = 2 Ôhm
Resistor 4 (R4) = 2 Ôhm
Nanontany hoe: Resistor fanoloana
Valiny:
Resistor R2 ary resistor R3 mifandray mifanitsy. Resistor fanoloana:
1 / R23 = 1/R2 +1/R3
1 / R23 = 1/2 + 1/2 = 2/2
R23 = 1 Ohm
Resistor R1, resistor R23 ary resistor R3 mifandray amin'ny andiany. Resistor fanoloana:
R=R1 + R2 + R3 = 2 + 1 + 2
R = 5 Ohm
Ny valiny marina dia 5 Ohms.
Loharanon'ny fanontaniana:
Fanontaniana momba ny fanadinana nasionaly momba ny siansa ho an'ny lisea ambaratonga faharoa/lisea Islamika