In the diagram, V1 = 10 V, I = 2A and R1 = 2Ω. What is the value of V2 and V3?
Topic: Electricity
Key Formula : V = IR
V1 = V2+V3
Answer:
V2 = IR1 = (2)(2) = 4V
V1 = V2+V3
10 = 4 + V3
V3 = 10 – 4 = 6 V
Tip: In a series circuit, the voltage of the battery, EMF, is the sum of the potential difference of the resistors. This produces the equation: V1 = V2+V3 .
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