29. Sources of Magnetic Field
Magnetic Force Between Parallel Currents
Problem 28b
Textbook Question
Textbook Question. Two long, parallel wires are separated by a distance of 0.400 m (Fig. E28.29). The currents I1 and I2 have the directions shown. (a) Calculate the magnitude of the force exerted by each wire on a 1.20-m length of the other. Is the force attractive or repulsive?
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