A conducting thin rod of length L is suspended by two flexible wires as shown in the figure. The rod has a mass per unit length 2 = 0.015 kg/m. What current must flow through the rod for the tension in the supporting flexible wires to be zero if the magnetic field is B = 3.0 Tesla? What is the required direction for the current? (m = 2 L, g = 9.8m/s) x Bin A. 18 mA to the right B. 98 mA to the left C. 49 mA to the right D. 64 mA to the right

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Chapter1: Units, Trigonometry. And Vectors
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A conducting thin rod of length L is suspended by two flexible wires as shown in the figure. The rod has a mass per unit length 2 = 0.015 kg/m. What current must flow through the rod for the tension in the supporting flexible wires
to be zero if the magnetic field is B = 3.0 Tesla? What is the required direction for the current? (m =2 L, g=9.8m/s²)
x Bin
A. 18 mA to the right
B. 98 mA to the left
O C. 49 mA to the right
O D. 64 mA to the right
Transcribed Image Text:A conducting thin rod of length L is suspended by two flexible wires as shown in the figure. The rod has a mass per unit length 2 = 0.015 kg/m. What current must flow through the rod for the tension in the supporting flexible wires to be zero if the magnetic field is B = 3.0 Tesla? What is the required direction for the current? (m =2 L, g=9.8m/s²) x Bin A. 18 mA to the right B. 98 mA to the left O C. 49 mA to the right O D. 64 mA to the right
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