Two wires carrying currents of I 1 and I 2 with the length of 15 m which are loc

Question

Two wires carrying currents of I1 and I2 with the length of 15 m which are located 15 cm distant and parallel to each other, attract each other with a force of 12 mN. If I1 is three times smaller than I2, which one is the current I2 Two wires carrying currents of I1 and I2 with the length of 15 m which are located 15 cm distant and parallel to each other, attract each other with a force of 12 mN. If I1 is three times smaller than I2, which one is the current I2 Two wires carrying currents of I1 and I2 with the length of 15 m which are located 15 cm distant and parallel to each other, attract each other with a force of 12 mN. If I1 is three times smaller than I2, which one is the current I2 Two wires carrying currents of I1 and I2 with the length of 15 m which are located 15 cm distant and parallel to each other, attract each other with a force of 12 mN. If I1 is three times smaller than I2, which one is the current I2

Explanation / Answer

12 = u I1 I 2/2pi d

i =55

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