A uniform wire of resistance 9 Omega is ...

A uniform wire of resistance `9 Omega` is cut into 3 equal parts. They are connected in form of equilateral triangle `ABC`. A cell of e.m.f. `2V` and negligible internal resistance is connected across `B` and `C`. Potential difference across `AB` is

0.5V

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ERRORLESS -CURRENT ELECTRICITY-Self Evaluation Test -19

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