Problem 1: The figure shows a long straight wire that just touches a loop carryi

Question

Problem 1: The figure shows a long straight wire that just touches a loop carrying a currentI. Both lie in the same plane 2 ©theexpertta.com Part (a) In what direction must the current I2 flow in the straight wire in order to create a field at the center of the loop in the direction opposite to that created by the loop? MultipleChoice 1) Left 2) Right 3) Down 4) Out of the page 5) Into the page 6) Up Part (b) What is the ratio 11 /12 that gives zero field strength at the center of the loop, in terms of the variables given in the problem statement? Expression Select from the variables below to write your expression. Note that all variables may not be required.

Explanation / Answer

a) 1)left

b) I1 / I2 = 1/ pi
c) 2)out of page

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