A Small Permanent Magnet Is Placed in a Uniform Magnetic

question 52

Multiple Choice

A small permanent magnet is placed in a uniform magnetic field of magnitude 0.35 T. If the maximum torque experienced by the magnet is 0.50 N · m, what is the magnitude of the magnetic moment ) of the magnet ) ?

• A) 1.4 A · m²
• B) 0.70 A · m²
• C) 0.18 A · m²
• D) 2.8 A · m²
• E) 0.35 A · m²

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