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Questions  

A current of 2 A flows in the circuit as shown. The potential difference VAVB will be

a
+ 2 V
b
+ 1 V
c
−1  V
d
−2  V

detailed solution

Correct option is B

Current through each arm DAC and DBC = 1AVD −VA=2 and  VD −VA=3  ⇒ VA −VB=+1V

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