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FIGURE 22-5 -A Metal Bar of Mass M and Length L Is

Question 25

Multiple Choice

FIGURE 22-5 FIGURE 22-5   -A metal bar of mass m and length L is suspended from two conducting wires, as shown in the sketch in Figure 22-5. A uniform magnetic field   points vertically downward. Choose the expression that best describes the condition satisfied by the angle θ that the suspending wires make with the vertical when the bar carries a current I. A)    B)    C)    D)    E)
-A metal bar of mass m and length L is suspended from two conducting wires, as shown in the sketch in Figure 22-5. A uniform magnetic field FIGURE 22-5   -A metal bar of mass m and length L is suspended from two conducting wires, as shown in the sketch in Figure 22-5. A uniform magnetic field   points vertically downward. Choose the expression that best describes the condition satisfied by the angle θ that the suspending wires make with the vertical when the bar carries a current I. A)    B)    C)    D)    E)   points vertically downward. Choose the expression that best describes the condition satisfied by the angle θ that the suspending wires make with the vertical when the bar carries a current I.


A) FIGURE 22-5   -A metal bar of mass m and length L is suspended from two conducting wires, as shown in the sketch in Figure 22-5. A uniform magnetic field   points vertically downward. Choose the expression that best describes the condition satisfied by the angle θ that the suspending wires make with the vertical when the bar carries a current I. A)    B)    C)    D)    E)
B) FIGURE 22-5   -A metal bar of mass m and length L is suspended from two conducting wires, as shown in the sketch in Figure 22-5. A uniform magnetic field   points vertically downward. Choose the expression that best describes the condition satisfied by the angle θ that the suspending wires make with the vertical when the bar carries a current I. A)    B)    C)    D)    E)
C) FIGURE 22-5   -A metal bar of mass m and length L is suspended from two conducting wires, as shown in the sketch in Figure 22-5. A uniform magnetic field   points vertically downward. Choose the expression that best describes the condition satisfied by the angle θ that the suspending wires make with the vertical when the bar carries a current I. A)    B)    C)    D)    E)
D) FIGURE 22-5   -A metal bar of mass m and length L is suspended from two conducting wires, as shown in the sketch in Figure 22-5. A uniform magnetic field   points vertically downward. Choose the expression that best describes the condition satisfied by the angle θ that the suspending wires make with the vertical when the bar carries a current I. A)    B)    C)    D)    E)
E) FIGURE 22-5   -A metal bar of mass m and length L is suspended from two conducting wires, as shown in the sketch in Figure 22-5. A uniform magnetic field   points vertically downward. Choose the expression that best describes the condition satisfied by the angle θ that the suspending wires make with the vertical when the bar carries a current I. A)    B)    C)    D)    E)

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