Given that a current of I(t)= 5t2+4 (where t is in s) is flowing parallel to the axis of a cylindrical conductor. If the cylinder has a radius of 0.2 mm and a length of 50 cm. Find the current density in units of MA/m2 at t=5.9 s. Note the unit MA/m²=10°A/m² Select one: O A. 267 O B. 1417 OC. 2595 OD. 3108 O E. 4250

Given that a current of I(t)= 5t2+4 (where t is in s) is flowing parallel to the axis of a cylindrical conductor. If the cylinder has a radius of 0.2 mm and a length of 50 cm. Find the current density in units of MA/m2 at t=5.9 s. Note the unit MA/m²=10°A/m² Select one: O A. 267 O B. 1417 OC. 2595 OD. 3108 O E. 4250

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter28: Current And Resistance

Section: Chapter Questions

Problem 69PQ

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