A Wire (Mass = 50 G, Length = 40 Cm)

question 38

Multiple Choice

A wire (mass = 50 g, length = 40 cm) is suspended horizontally by two vertical wires which conduct a current I = 8.0 A, as shown in the figure. The magnetic field in the region is into the paper and has a magnitude of 60 mT. What is the tension in either wire?

• A)0.15 N
• B)0.68 N
• C)0.30 N
• D)0.34 N
• E)0.10 N

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