Imagine that you have two wires that run in and out of the screen. The first wir
ID: 586491 • Letter: I
Question
Imagine that you have two wires that run in and out of the screen. The first wire is at the origin of a coordinate system and carries a current out of the screen while the second wire is 2 cm to the right of the first on the x-axis and carries the same amount of current into the screen. At a point exactly in between the wires, the magnetic field is
Directed into screen
Zero
Directed towards right along x axis
Directed towards left along x axis
Directed up towards top of screen
Directed down towards bottom of screen
Explanation / Answer
Due to 1st wire ,
B will be directed upward
Due to 2nd wire ,
B will be directed upward
So net B will be upward
Answer: Directed up towards top of screen