A Flat Circular Wire Loop Lies in a Horizontal Plane $\vec { B }$

question 57

Multiple Choice

A flat circular wire loop lies in a horizontal plane on a table and carries current in a counterclockwise direction when viewed from above.At this point,Earth's $\vec { B }$ field points to the north and dips below the horizontal.Which side of the coil tends to lift off of the table due to the magnetic torque on the loop?

• A)the north side
• B)the east side
• C)the south side
• D)the west side
• E)The entire loop lifts straight up.

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