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A potential difference between two points of a wire carrying 4-ampere current is 0.5 volt. The resistance of the wire is
  • a)
    0.25 Ω
  • b)
    0.5 Ω
  • c)
    0.125 Ω
  • d)
    None of these
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
A potential difference between two points of a wire carrying 4-ampere...
Potential difference = 0.5 V
I = 4 A
R = ?
R = V/I
V stands for potential difference
R = 0.5/4
R = 1/8
R = 0.125 Ω
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A potential difference between two points of a wire carrying 4-ampere current is 0.5 volt. The resistance of the wire isa)0.25 Ωb)0.5 Ωc)0.125 Ωd)None of theseCorrect answer is option 'C'. Can you explain this answer?
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