The Magnetic Field Due to a 2-A Current Flowing in a Long

question 39

Multiple Choice

The magnetic field due to a 2-A current flowing in a long, straight wire is 8 μT at a point P, a certain distance away from the wire. How far is this point from the center of the wire?

• A) 2 cm
• B) 3 cm
• C) 4 cm
• D) 5 cm
• E) 6 cm

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