Question

8. (Va + b) (Va - Vb) =​

Answer 1

Answer:

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Step-by-step explanation:

Given :   I=2 A           

Using Kirchhoff's law       VA−I(2)−3−I(1)−VB=0

∴    VA−2×2−3−2×1−VB=0             

OR     VA−9−VB=0               

⟹VA−VB=+9 V