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When a current of (2.5 ± 0.5) A flows through a wire, it develops a potential difference of (20 ± 1) V. The resistance of wire is (A) (8 ± 2) ohm (B) (8 ± 1.5) ohm (C) (8 ± 0.5) ohm (D) (8 ± 3) ohm |
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Answer» (B)......EXPLANATION:OPTION no.(B) |
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