[填空题]
Two long straight alxlvz/5gkr.:a*e0t;i+3, 5xj-kqfc w b da plpuminum wires, each of diameter 0zgqyn s60: sofi8+-.um7 te zy.50 mm, carry the same current but in opposite directions. They are suspended by 0.50-m-long -qy. s yuz:nm +f7osztg e6i80strings as shown in (Fig. Below). If the suspension strings make an angle of 3.0$^{\circ}\,$ with the vertical, what is the current in the wires? A
