The drawing shows an end-view of two wires. They are long, straight, and perpend

Question

The drawing shows an end-view of two wires. They are long, straight, and perpendicular to the plane of the paper. Their cross sections lie at the corners of a 0.6-m square. The current in wire 1 is going into the page and it is equal to 11 A and the current in wire 2 is going out of the page and it iis equal to 10 A respectively. What is the magnitude of the magnitic filed at one of the emty corner?

The drawing shows an end-view of two wires. They are long, straight, and perpendicular to the plane of the paper. Their cross sections lie at the corners of a 0.6-m square. The current in wire 1 is going into the page and it is equal to 11 A and the current in wire 2 is going out of the page and it iis equal to 10 A respectively. What is the magnitude of the magnitic filed at one of the empty corner?

Explanation / Answer

B1 = mu I1 / 2 pi a

= (2 * 10-7 * 11) / 0.6

= 0.36 * 10-5 T

B2 = mu I2 / 2 pi a

= (2 * 10-7 * 10) / 0.6

= 0.33 * 10-5 T

B = sqrt(B1^2 + B2^2)

= 0.48 * 10-5 T

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