The Magnetic Torque Exerted on a Flat Current-Carrying Loop of Wire

question 18

Multiple Choice

The magnetic torque exerted on a flat current-carrying loop of wire by a uniform magnetic field is:

• A)maximum when the plane of the loop is perpendicular to
• B)maximum when the plane of the loop is parallel to
• C)dependent on the shape of the loop for a fixed loop area
• D)independent of the orientation of the loop
• E)such as to rotate the loop around the magnetic field lines

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