In the figure below, the bottom wire carries a current of 5.5 A. The current of
ID: 2153491 • Letter: I
Question
In the figure below, the bottom wire carries a current of 5.5 A. The current of the upper wire is directed in the opposite direction, and the total magnetic field at point p1 is zero. What is the current in the top wire? Answer: In the picture below, the two wires carry current i1 and i2, respectively, with positive current to the right. The charge q is positive and has velocity v to the right. Which of the following statements are true? (Give ALL correct answers, i.e., B, AC, BCD,...) If i1 = i2, then the wires are attracted to each other. If i2 = 0 and i1 is greater than zero, then the force on q is north. If i1 is less than i2, then the force on q is south. If i1 = - i2, then the force on q is zero. If i2 = 0 and i1 is greater than zero, then the force on q points into the page. If v = 0, then the force on q is zero. If i1 = 0 and i2 is greater than zero, then the magnetic field near charge q points into the page. Answer:Explanation / Answer
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