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4- (25 pts) a) Calculate the magnitude and the direction of the magnetic field generated by a straight current (I) -carrying wire of length L at point P. b) As shown in the figure, the second identical current (I) carrying wire is placed above the first wire. Calculate magnitude and direction of the magnetic force between the two wires. (Do not try to calculate the integral, clearly identify the boundaries). F =

4- (25 pts) a) Calculate the magnitude and the direction of the magnetic field generated by a straight current (I) -carrying wire of length L at point P. b) As shown in the figure, the second identical current (I) carrying wire is placed above the first wire. Calculate magnitude and direction of the magnetic force between the two wires. (Do not try to calculate the integral, clearly identify the boundaries). F =

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4- (25 pts) a) Calculate the magnitude and the direction of the magnetic field generated by a straight current (I) -carrying wire of length L at point P . b) As shown in the figure, the second identical current (I) carrying wire is placed above the first wire. Calculate magnitude and direction of the magnetic force between the two wires. (Do not try to calculate the integral, clearly identify the boundaries).
F =

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