ConceptFactors on Which the Resistance of a Conductor Depends

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#### Question

A copper wire has diameter 0.5 mm and resistivity of 1.6 × 10^{−8}Ω m. What will be the length of this wire to make its resistance 10 Ω? How much does the resistance change if the diameter is doubled?

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Solution for question: A copper wire has diameter 0.5 mm and resistivity of 1.6 × 10^−8 Ω m. What will be the length of this wire to make its resistance 10 Ω? How much does the resistance change if the diameter is doubled? concept: Factors on Which the Resistance of a Conductor Depends. For the course CBSE