Two long, straight parallel wires are 10.0cm apart and carry 3.80A currents in t

Question

Two long, straight parallel wires are 10.0cm apart and carry 3.80A currents in the same direction (see the figure (Figure 1) ).

http://session.masteringphysics.com/problemAsset/1020044/8/20P51.jpg

A) Find the direction of the magnetic field at point P1, midway between the wires. (up,down,left,right,0?)

B) Find the magnitude of the magnetic field at point P1, midway between the wires.

C) Find the direction of the magnetic field at point P2, 35.0cm to the right of P1

D) Find the magnitude of the magnetic field at point P2, 35.0cm to the right of P1.

Explanation / Answer

A) field is zero

B) answer is zero

c) top of the page

D) I dont know

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