Suppose that we have 2.10 X 10 doubly charged positive ions per cubic centimeter, all moving north with a speed of 1.40 X 10' m/s. (a) Calculate the current density, in magni- tude and direction. (b) Can you calculate the total current in this ion beam? If not, what additional information is needed?

Suppose that we have 2.10 X 10 doubly charged positive ions per cubic centimeter, all moving north with a speed of 1.40 X 10' m/s. (a) Calculate the current density, in magni- tude and direction. (b) Can you calculate the total current in this ion beam? If not, what additional information is needed?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter9: Current And Resistance

Section: Chapter Questions

Problem 73AP: When 100.0 V is applied across a 5-gauge (diameter 4.621 mm) wire that is 10 m long, the magnitude...

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