1.

A current of 2 A flows in a system of conductors as shown. The potential difference \[({{V}_{A}}-{{V}_{B}})\] will be                   [CPMT 1975, 76]

A.                    \[+2\,V\]
B.                    \[+1\,V\]
C.                    \[-1\,V\]
D.                    \[-2\,V\]
Answer» C.                    \[-1\,V\]


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