A Square Loop of Current-Carrying Wire with Edge Length a Is

question 16

Multiple Choice

A square loop of current-carrying wire with edge length a is in the xy plane, the origin being at its center.Along which of the following lines can a charge move without experiencing a magnetic force?

• A)x = 0, y = a/2
• B)x = a/2, y = a/2
• C)x = a/2, y = 0
• D)x = 0, y = 0
• E)x = 0, z = 0

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Definitions:

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