A. 5.0A
B. 3.7A
C. 4.5A
D. 4.0A
Correct Answer: Option B
Explanation
V = IR from ohms law
I = V/R
Since the resistance are in parallel
1Reff = 1/8 + 1/12 + 1/6
= (2+3+6)/36 = 11/36
Reff = 36/11 = 3.27
I = I1 + I2 + I3
= V/Reff= 12/3.27
= 3.669A
I = 3.7A
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