A wire has resistivity 1.1 10^-6 Ω m, length 0.5 m and cross-section 2 10^-7 m^2. Its resistance is:

  1. 2.75 Ω
  2. 0.275 Ω
  3. 27.5 Ω
  4. 5.5 Ω
Answer

A) 2.75 Ω

R = rho LA = 2.75 Ω. SLO P-09-E-13 · Application

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