Two long straight aluminum wires, each of diameter 0.42 mm, carry the same current but in opposite direc- tions. They are suspended by 0.50-m-long strings as shown in Fig. 20-67. If the suspension strings make an angle of 3.0° with the vertical and are hanging freely, 6.0° what is the current in the wires? FIGURE 20-67 Problem 78. -0.50 m-
Two long straight aluminum wires, each of diameter 0.42 mm, carry the same current but in opposite direc- tions. They are suspended by 0.50-m-long strings as shown in Fig. 20-67. If the suspension strings make an angle of 3.0° with the vertical and are hanging freely, 6.0° what is the current in the wires? FIGURE 20-67 Problem 78. -0.50 m-
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