A Loop of Wire with a Weight of 0

question 27

Multiple Choice

A loop of wire with a weight of 0.55 N is oriented vertically and carries a current I = 2.25 A.A segment of the wire passes through a magnetic field directed into the plane of the page as shown.The net force on the wire is measured using a balance and found to be zero.What is the magnitude of the magnetic field?

• A)zero tesla
• B)0.51 T
• C)0.84 T
• D)1.2 T
• E)4.5 T

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