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The magnetic field of a long straight wire is B at a… | StemPy Lab
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The magnetic field of a long straight wire is B at a distance r. What is the field at a distance 3r on the same side?
Physics
Easy
High School (11–12)
Electricity & Magnetism › Magnetic Effects of Current
AP
A-Level
IB
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StemPy Lab
The magnetic field of a long straight wire is
B
B
B
at a distance
r
r
r
. What is the field at a distance
3
r
3r
3
r
on the same side?
B
/
3
B/3
B
/3
B
/
9
B/9
B
/9
9
B
9B
9
B
3
B
3B
3
B
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