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प्रश्न
Write an expression connecting the resistance of a wire and specific resistance of its material. State the meaning of symbols used.
उत्तर
Relation connecting Resistivity and resistance is where `rho = (Ra)/l`
The symbol for resistance, also known as specific resistance, is ρ.
R is the material's resistance, and an is its cross-sectional area. The length is I.
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