In the arrangement shown in Fig. 5-41 (P5.16), each of the two long, parallel conductors carries a current I, is supported by 8-cm-long strings, and has a mass per unit length of 1.2 g/cm. Due to the repulsive force acting on the conductors, the angle between the supporting strings is 10 _ . Determine the magnitude of I and the relative directions of the currents in the two conductors.

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S cm F' e = 10° (a) (b) (c) Figure P5.16: Parallel conductors supported by strings (Problem 5.16).