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Given that there are two wires right next to one another with the left ones current going downwards and the rights ones current going upwards.  If we know that the field of the current of the left wire at the current on the right is 5.5 x 10-7 T, then what is the current in the left wire? Assume that the current on the right is 0 A and the currents are separated by 1.4 m. Let's call the current on the left I1 and the current on the right I2. What current in I1 (consider both magnitude and direction) is needed if it is to be repelled from I2 (0.4 A) with a magnetic force per length of 4 x 10-7 N/m if they are separated by 1.2 m. Assume that upward is positive and downward is negative

Given that there are two wires right next to one another with the left ones current going downwards and the rights ones current going upwards.  If we know that the field of the current of the left wire at the current on the right is 5.5 x 10-7 T, then what is the current in the left wire? Assume that the current on the right is 0 A and the currents are separated by 1.4 m. Let's call the current on the left I1 and the current on the right I2. What current in I1 (consider both magnitude and direction) is needed if it is to be repelled from I2 (0.4 A) with a magnetic force per length of 4 x 10-7 N/m if they are separated by 1.2 m. Assume that upward is positive and downward is negative

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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Given that there are two wires right next to one another with the left ones current going downwards and the rights ones current going upwards. 

If we know that the field of the current of the left wire at the current on the right is 5.5 x 10-7 T, then what is the current in the left wire? Assume that the current on the right is 0 A and the currents are separated by 1.4 m.

Let's call the current on the left I1 and the current on the right I2. What current in I1 (consider both magnitude and direction) is needed if it is to be repelled from I2 (0.4 A) with a magnetic force per length of 4 x 10-7 N/m if they are separated by 1.2 m. Assume that upward is positive and downward is negative. 

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