A current of 2 A flows through a slab of tin, 1 mm thick and 2mm wide, whose con

Question

A current of 2 A flows through a slab of tin, 1 mm thick and 2mm wide, whose conductivity is
106 1/m. Calculate the voltage drop between twopotential probes that are 10 cm apart along the slab. The answer is 0.1 (V) . Please show me exactly how you came up with the answer.Include numbers and words in detail so I can understand it.Thanks. A current of 2 A flows through a slab of tin, 1 mm thick and 2mm wide, whose conductivity is
106 1/m. Calculate the voltage drop between twopotential probes that are 10 cm apart along the slab. The answer is 0.1 (V) . Please show me exactly how you came up with the answer.Include numbers and words in detail so I can understand it.Thanks.

Explanation / Answer

Formulas needed in this problem: Resistance= length/(conductivity x Cross Sectional area) Voltage drop = Current x Resistance Cross Sectional area= 2 x 10-6m2length =0.1m So resitance = 0.05 Voltage Drop= 0.05 x 2A= 0.1V

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