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How does the resistance of a wire vary with its: a) area of cross-section? diameter?

ScienceClass 10ICSEAnswered 27 Mar 2026
Answer
  1. When the resistance of a wire is varied, the area of cross-section increases, thereby reducing the resistance
  2. When the resistance of a wire is varied, the diameter of the material is increased, thereby reducing the resistance
Science · Class 10