Two parallel wires are each carrying $10 \mathrm{~A}$ and are separated by $4.0 \mathrm{~m}$. If the currents are in opposite directions, what is the magnitude of the magnetic field halfway between them?
A) $1.0 \mu \mathrm{T}$
B) $2.0 \mu \mathrm{T}$
C) 0.0
D) $1.4 \mu \mathrm{T}$
E) $4.0 \mu \mathrm{T}$

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The Answer of Two parallel wires are each carrying $10 \mathrm{~A}$ and are separated by $4.0 \mathrm{~m}$. If the currents are in opposite directions, what is the magnitude of the magnetic field halfway between them?
A) $1.0 \mu \mathrm{T}$
B) $2.0 \mu \mathrm{T}$
C) 0.0
D) $1.4 \mu \mathrm{T}$
E) $4.0 \mu \mathrm{T}$

Two Parallel Wires Are Each Carrying 10 A10 \mathrm{~A}10 A And Are Separated By

Two Parallel Wires Are Each Carrying $10 \mathrm{~A}$ And Are Separated By