A carbon strip is long

PHYSICS · Subjective · CBSE · Physics · Current Electricity · Current Electricity

Problem

A carbon strip is 10 cm10\,\text{cm} long, 2 mm2\,\text{mm} wide and 0.5 mm0.5\,\text{mm} thick. Determine its resistance along the length if the resistivity of carbon is 3.5×10−5 Ω m3.5\times10^{-5}\,\Omega\,\text{m}.

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