If a = 10 Cm, B = 3

question 73

Multiple Choice

If a = 1.0 cm, b = 3.0 cm, and I = 30 A, what is the magnitude of the magnetic field at point P?

• A) 0.62 mT
• B) 0.59 mT
• C) 0.35 mT
• D) 0.31 mT
• E) 0.10 mT

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