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2. A long-straight wire carries a current of 1₁ = 8.0 A and a circular loop of wire lies immediately to the right of the straight wire. The loop has a radius of R=0.030 m and carries a current of 1₂=2.0 A. Assuming that the thickness of each wire is negligible, find the magnitude and direction of the net magnetic field at the center C of the loop. (Note that the magnetic field at point C is the sum of the electric field produced by a long-straight wire and a circular loop of wire) a. 1.7x10 T b. 1.1x10 T C. 2.3x10-³T d. 3.8x10 2T

2. A long-straight wire carries a current of 1₁ = 8.0 A and a circular loop of wire lies immediately to the right of the straight wire. The loop has a radius of R=0.030 m and carries a current of 1₂=2.0 A. Assuming that the thickness of each wire is negligible, find the magnitude and direction of the net magnetic field at the center C of the loop. (Note that the magnetic field at point C is the sum of the electric field produced by a long-straight wire and a circular loop of wire) a. 1.7x10 T b. 1.1x10 T C. 2.3x10-³T d. 3.8x10 2T

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Multiple Choices: Choose the BEST answer for each item. 1. Suppose there are a very long-straight wire and a rectangular coil, each carrying a current. The wire and the coil lie in the same plane with the wire parallel to the long sides of the rectangle. The coil is a. attracted to the wire b. repelled from the wire c. neither attracted to nor repelled from the wire d. no attraction or repulsion 2. A long-straight wire carries a current of 1₁ -8.0 A and a circular loop of wire lies immediately to the right of the straight wire. The loop has a radius of R=0.030 m and carries a current of 1₂ =2.0 A. Assuming that the thickness of each wire is negligible, find the magnitude and direction of the net magnetic field at the center C of the loop. (Note that the magnetic field at point C is the sum of the electric field produced by a long-straight wire and a circular loop of wire) a. 1.7x10 T b. 1.1x10 T C. 2.3x10-³T d. 3.8x10-²T 3. If the earth's magnetism is assumed to originate from a large circular loop of current within the earth, then the plane of the current loop must be oriented to the earth's magnetic axis, and the direction of the current around the loop (when looking down on the loop from the north magnetic pole) is a. parallel, clockwise b. parallel, counterclockwise c. perpendicular, clockwise d. perpendicular, counterclockwise
Transcribed Image Text:Multiple Choices: Choose the BEST answer for each item. 1. Suppose there are a very long-straight wire and a rectangular coil, each carrying a current. The wire and the coil lie in the same plane with the wire parallel to the long sides of the rectangle. The coil is a. attracted to the wire b. repelled from the wire c. neither attracted to nor repelled from the wire d. no attraction or repulsion 2. A long-straight wire carries a current of 1₁ -8.0 A and a circular loop of wire lies immediately to the right of the straight wire. The loop has a radius of R=0.030 m and carries a current of 1₂ =2.0 A. Assuming that the thickness of each wire is negligible, find the magnitude and direction of the net magnetic field at the center C of the loop. (Note that the magnetic field at point C is the sum of the electric field produced by a long-straight wire and a circular loop of wire) a. 1.7x10 T b. 1.1x10 T C. 2.3x10-³T d. 3.8x10-²T 3. If the earth's magnetism is assumed to originate from a large circular loop of current within the earth, then the plane of the current loop must be oriented to the earth's magnetic axis, and the direction of the current around the loop (when looking down on the loop from the north magnetic pole) is a. parallel, clockwise b. parallel, counterclockwise c. perpendicular, clockwise d. perpendicular, counterclockwise
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