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प्रश्न
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उत्तर
The potential difference between two points may be defined as the work done in moving a unit positive charge from one point to the other.
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संबंधित प्रश्न
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`[ρ_(Cu) = 1.7 xx 10_(Ωm)^-8, ρ_(Al) = 2.7 xx 10^-8 Ωm]`
