A wire of length 100cm and cross-sectional area of 2.0 x 10-3cm2 has a resistance…

Physics WAEC 1996

A wire of length 100cm and cross-sectional area of 2.0 x 10-3cm2 has a resistance of 0.10 Ω. Calculate its electrical conductivity.

  • 5.0 x 107Ω-1cm-1
  • 5.0 x 106Ω-1cm-1
  • 2.0 x 106Ω-1cm-1
  • 5.0 x 105Ω-1cm-1 checkmark
  • 2.0 x 106Ω-1cm-1

The correct answer is: D

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