tiga buah resistor 4 Ohm 2 Ohm dan 3 Ohm jika tegangan 10 volt tentukan kuat arus masing-masing resistor Jika rangkaian pararel
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R1 = 4 Ohm
R2 = 2 Ohm
R3 = 3 Ohm
V = 10 volt
Rangkaian paralel
I pada masing-masing resistor ...?
1/R total = 1/R1 + 1/R2 + 1/R3
1/R total = 1/4 + 1/2 + 1/3
1/R total = 0,25 + 0,5 + 0,333
1/R total = 1,083
R total = 1/1,0833
R total = 0,923 Ohm
I total
V = I × R total
10 volt = I × R total
10 volt = I × 0,923 Ohm
I = 10 volt/0,923 Ohm
I = 10,83 A
I pada resistor 1
V = I1 × R1
10 volt = I × 4 Ohm
I1 = 10 volt/4 Ohm
I1 = 2,5 A
I pada resistor 2
V = I2 × R2
10 volt = I2 × 2 Ohm
I2 = 10 volt/2 Ohm
I2 = 5 A
I pada resistor 3
V = I3 × R3
10 volt = I3 × 3 Ohm
I3 = 10 volt/3 Ohm
I3 = 3,33 A
Pembuktian
I = I1 + I2 + I3
I = 2,5 + 5 + 3,33
I = 10,83 A
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