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Physics 15 Online
OpenStudy (anonymous):

A potential difference of 2.0 V is applied across a wire of cross sectional area 2.5 mm2. The current which passes through the wire is 3.2 × 10-3 A. What is the resistance of the wire? 3.6 × 102 Ω 2.8 × 102 Ω 6.3 × 102 4.2 × 102 Ω

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