A Long Wire Carrying A $2.0$ -A Current Is Placed Along The

question 137

Multiple Choice

A long wire carrying a $2.0$ -A current is placed along the $y$ -axis. What is the magnitude of the magnetic field at a point that is $0.60 \mathrm {~m}$ from the origin along the $x$ -axis? $\left( \mu _ { 0 } = 4 \pi \times 10 ^ { - 7 } \mathrm {~T} \cdot \mathrm { m } / \mathrm { A } \right)$

• A) \(12 \mathrm {~T}\)
• B) \(0.67 \mu \mathrm { T }\)
• C) \(6.7 \mathrm {~T}\)
• D) \(0.12 \mu \mathrm { T }\)
• E) \(1.3 \mu \mathrm { T }\)

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