Mathematics · Resistance of Materials

A cube of material with resistivity ρ has a cross-sectional area A = 4a. What is its resistance R between opposite faces?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1ρa
2ρ2√a✓
3ρ2a
4ρ4a

Correct answer

ρ2√a

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A cube of material with resistivity ρ has a cross-sectional area A = 4a. What is its resistance R between opposite faces?

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