College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
Related questions
Question
39
Transcribed Image Text:39 -
The magnitude of the current density J in a conductor is equal to
O A) I/A
O B) I/2A
O C) F/A
O D) I/A?
O E) P/A²
Expert Solution
Step 1
Current density is defined as amount of current passing per unit through a cross section area . It is represented by symbol J and its unit is A/m2.
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