Assume A, = 2A1. (d) Specify the radius at A2. mm (e) Specify the current at A2. A (f) Specify the current density at A2. A/m2
Assume A, = 2A1. (d) Specify the radius at A2. mm (e) Specify the current at A2. A (f) Specify the current density at A2. A/m2
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Part 2 A1 d e f
Transcribed Image Text:The figure below represents a section of a circular conductor of nonuniform
diameter carrying a current of I = 4.90 A. The radius of cross-section A, is
r = 0.250 cm.
Ag
(a) What is the magnitude of the current density across A,?
A/m2
249554.95
The radius r, at A2 is larger than the radius r, at A1.
(b) Is the current at A, larger, smaller, or the same?
The current is larger.
The current is smaller.
The current is the same.
(c) Is the current density at A, larger, smaller, or the same?
The current density is larger.
The current density is smaller.
The current density is the same.
Assume A2 = 2A1.
(d) Specify the radius at A2.
mm
(e) Specify the current at A,.
A
(f) Specify the current density at A2.
A/m2
Expert Solution
Step 1
Solution:
Given Values,
I=4.90 A
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