A current of 2 A flows in a system of conductors as shown. The potential difference \( \left(V_{...

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A current of 2 A flows in a system of conductors as shown. The potential difference \( \left(V_{A}-V_{B}\right) \) will be [CPMT 1975, 76;
Odisha JEE 2011; Similar Odisha JEE 2012]
(a) \( +2 \mathrm{~V} \)
(b) \( +1 \mathrm{~V} \)
(c) \( -1 \mathrm{~V} \)
(d) \( -2 \mathrm{~V} \)
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