Question: A block in the shape of a rectangular solid has a cross sectional area of 3.50 cm2 across its width, a front-to-rear length of 15.8

A block in the shape of a rectangular solid has a cross sectional area of 3.50 cm2 across its width, a front-to-rear length of 15.8 cm, and a resistance of 935 Ω. The block's material contains 5.33 x 1022 conduction electrons/m3. A potential difference of 35.8 V is maintained between its front and rear faces.

(a) What is the current in the block?

(b) If the current density is uniform, what is its magnitude? What are?

(d) The magnitude of the electric field in the block?

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a The current in the block is i VR 358 V93... View full answer

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