1. As shown in the figure below, two long straight wires are each carrying a current. The left wire carries a current I = 5.6 mA towards the bottom of the page and is located at x = -21 cm. The right wire carries a current I2 = 7.8 mA towards the top of the page and is located at x = 21 cm. (a) Calculate the magnetic field, both magnitude and direction, at point a, which is located at x = 0. (b) Suppose we want to place a third wire carrying a current I3 = 9.8 mA towards the top of the page such that the magnetic field at point o vanishes. At what x position should we place this wire? . (c) Repeat part (b) except now with a wire carrying the same current towards the bottom of the page. I2 a
1. As shown in the figure below, two long straight wires are each carrying a current. The left wire carries a current I = 5.6 mA towards the bottom of the page and is located at x = -21 cm. The right wire carries a current I2 = 7.8 mA towards the top of the page and is located at x = 21 cm. (a) Calculate the magnetic field, both magnitude and direction, at point a, which is located at x = 0. (b) Suppose we want to place a third wire carrying a current I3 = 9.8 mA towards the top of the page such that the magnetic field at point o vanishes. At what x position should we place this wire? . (c) Repeat part (b) except now with a wire carrying the same current towards the bottom of the page. I2 a
Chapter12: Sources Of Magnetic Fields
Section: Chapter Questions
Problem 25P: A long, straight, horizontal wire carries a left-to-right current of 20 A. If the wire is placed in...
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