My Notes Ask Your Teacher 4. -10 points SerPOP5 22.00.013. Two long, parallel wi

Question

My Notes Ask Your Teacher 4. -10 points SerPOP5 22.00.013. Two long, parallel wires carry currents of 11 = 19.0 A and 12 = 9.5 A in opposite directions (see figure below), which of the following statements must be true? More than one statement may be correct. O In region I, the magnetic field is into the page and is never zero. O In region II, the field is into the page and can be zero. O In region III, it is possible for the field to be zero. O In region I, the magnetic field is out of the page and is never zero. There are no points where the field is zero.

Explanation / Answer

(iii) and (iv) are correct.

since I1 is greater than I2 , so, in region III , magnetic feild can be zero.

while for the same reason , magnetic field in I can't be zero.

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