Two long, straight wires cross each other at a right angle, and each carries the same current I (see figure below). Which of the following statements is true regarding the total magnetic field due to the two wires at the various points in the figure? More than one statement may be correct.
a.The field is strongest at points B and D.
b.The field is strongest at points A and C.
c.The field is out of the page at point B and into the page at point D.
d.The field is out of the page at point C and out of the page at point D.
e.The field has the same magnitude at all four points.
