A power line carries $1000 \mathrm{~A}$ at a height of $20 \mathrm{~m}$ above the ground. What is the resulting magnetic field at ground level?
A) $13 \mu \mathrm{T}$
B) $10 \mu \mathrm{T}$
C) $0.13 \mathrm{mT}$
D) $5.0 \mu \mathrm{T}$
E) $50 \mathrm{mT}$

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The Answer of A power line carries $1000 \mathrm{~A}$ at a height of $20 \mathrm{~m}$ above the ground. What is the resulting magnetic field at ground level?
A) $13 \mu \mathrm{T}$
B) $10 \mu \mathrm{T}$
C) $0.13 \mathrm{mT}$
D) $5.0 \mu \mathrm{T}$
E) $50 \mathrm{mT}$

A Power Line Carries 1000 A1000 \mathrm{~A}1000 A At a Height Of 20 m20 \mathrm{~m}20 m

A Power Line Carries $1000 \mathrm{~A}$ At a Height Of $20 \mathrm{~m}$