J(r) A wire of practically infinite length carries a surface current density given by j = j0r /R if rR, with j 0 a constant and R the radius of the wire. Choose the graph that best represents the behavior of j(R). Please help to understand the question and to justify the response r=R a) j(r) "N" r=R jur r=R r=R b) c) d)

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Chapter1: Units, Trigonometry. And Vectors
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J(r)
A wire of practically infinite length carries
a surface current density given by j = j0r
/R if rR, with j 0 a constant and R the
radius of the wire. Choose the graph that
best represents the behavior of j(R).
Please help to understand the question
and to justify the response
r=R
a)
j(r)
"N"
r=R
jur
r=R
r=R
b)
c)
d)
Transcribed Image Text:J(r) A wire of practically infinite length carries a surface current density given by j = j0r /R if rR, with j 0 a constant and R the radius of the wire. Choose the graph that best represents the behavior of j(R). Please help to understand the question and to justify the response r=R a) j(r) "N" r=R jur r=R r=R b) c) d)
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