A block in the shape of a rectangular solid has a cross-sectional area of 2.50 c

Question

A block in the shape of a rectangular solid has a cross-sectional area of 2.50 cm2 across its width, a front-to-rear length of 15.6 cm, and a resistance of 945 Ohm. The material of which the block is made has 5.33 times 1022 conduction electrons/m3. A potential difference of 35.2 V is maintained between its front and rear faces. What is the current in the block? A If the current density is uniform, what is its magnitude? A/m2 What is the drift velocity of the conduction electrons? m/s What is the magnitude of the electric field in the block? V/m

Explanation / Answer

a) current = 0.03724A b) 148.96 A/m^2 c ) 0.017467 m/s d) 225.64 V/m

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