The Magnetic Field at a Point P, a Certain Distance

question 90

Multiple Choice

The magnetic field at a point P, a certain distance from a long wire carrying a current of 2.0 A, is 1.2 × 10^-6 T. How far is P from the center of the wire?

• A) 11 cm
• B) 22 cm
• C) 33 cm
• D) 44 cm
• E) 55 cm

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