5. A conductive block in the shape of a rectangular solid has a cross-sectional area of 13 cm² across its width, and a length of 16 cm. The block has a resistance of 200 2. The block contains 7e+18 conduction electrons (be careful, this is not "n", although it will help you find "n"). Connecting a battery to the two ends of the block, a potential difference of AV= 26 is maintained along its length. (A)What is the current (in A) in the block? O0.113 00.274 0.130 00.0507 O0.195 O0.424✔ (B)If the current density is uniform, what is its magnitude (in A/m²? O100. 0211 O87.0 O326 O39.00150. (C)What is the drift speed (in m/s) of the conduction electrons? O0.0186 00.00724 0.0162 0.0605 0.0392 00.0279 (D)What is the magnitude of the electric field (in N/C or V/m) in the block (Consider this E-field to be constant along the length and remember that there is a formula for the relation between V and E for a constant E-field)? 0163 063.4 O244 0141 O530. 0343 (E) What is the Mean Free Time Between Collisions (in sec) of the free electrons in the block? 02.12e-15 02.54e-16 O1.37e-15 09.76e-16 O5.66e-16 O6.51e-16 (F)What is the conductivity (in (nm)-1) of the material? O0.535 01.30 0.615 00.923 02.01 0.240

5. A conductive block in the shape of a rectangular solid has a cross-sectional area of 13 cm² across its width, and a length of 16 cm. The block has a resistance of 200 2. The block contains 7e+18 conduction electrons (be careful, this is not "n", although it will help you find "n"). Connecting a battery to the two ends of the block, a potential difference of AV= 26 is maintained along its length. (A)What is the current (in A) in the block? O0.113 00.274 0.130 00.0507 O0.195 O0.424✔ (B)If the current density is uniform, what is its magnitude (in A/m²? O100. 0211 O87.0 O326 O39.00150. (C)What is the drift speed (in m/s) of the conduction electrons? O0.0186 00.00724 0.0162 0.0605 0.0392 00.0279 (D)What is the magnitude of the electric field (in N/C or V/m) in the block (Consider this E-field to be constant along the length and remember that there is a formula for the relation between V and E for a constant E-field)? 0163 063.4 O244 0141 O530. 0343 (E) What is the Mean Free Time Between Collisions (in sec) of the free electrons in the block? 02.12e-15 02.54e-16 O1.37e-15 09.76e-16 O5.66e-16 O6.51e-16 (F)What is the conductivity (in (nm)-1) of the material? O0.535 01.30 0.615 00.923 02.01 0.240

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter27: Current And Resistance

Section: Chapter Questions

Problem 27.11OQ: Two conducting wires A and B of the same length and radius are connected across the same potential...

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