A Long Straight Wire Is Carrying a Current of 2

question 2

Multiple Choice

A long straight wire is carrying a current of 2.4 A in a region where a uniform magnetic field is perpendicular to the wire. If the magnetic field is 0.52 mT, what is the magnitude of the force on 3.0 m of the wire?

• A) 1.2 × 10⁻³ N
• B) 3.7 × 10⁻³ N
• C) 7.2 × 10⁻³ N
• D) 3.7 N
• E) 7.2 N

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