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The potential difference across a copper wire is 2.0 V when a current of 0.4 A flows through it. The resistance of the wire is?

A5.0 Ω

B0.5 Ω

C0.2 Ω

D2.5 Ω

Answer:

A. 5.0 Ω

Read Explanation:

  • The correct answer is (a) 5.0 Ω


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