A 2 Ω and a 4 Ω resistor are in series on 12 V. What voltage is across the 4 Ω resistor?
A6 V
B12 V
C4 V
D8 V
Answer & Solution
Correct answer: D. 8 V
Total resistance is 6 Ω, current is 2 A, so the 4 Ω drop is 8 V.
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