Posted by **Jack** on Monday, March 25, 2013 at 10:34am.

Two parallel wires carry 1-A currents in unknown directions. The distance between the wires is 10-cm. What is the magnitude of the magnetic field B in Teslas at a point P located 6-cm away from the axis of one of the wires and 8-cm away from the axis of the other wire?

Unot=4pi×10^-7

- Physics/math -
**bobpursley**, Monday, March 25, 2013 at 11:30am
Hint: your teacher made a 3-4-5 triangle for you, which means the two B fields are at 90 degrees to each other, so when they add or subtract, magnitude does not change, just direction.

Find B from each, and then add them as 90 degree vectors..

c= sqrt(a^2+b^2)

- Physics/math -
**Stranger**, Tuesday, March 26, 2013 at 9:58am
Can't get it, Didn't studied this topic, Would you please work the solution.

- Physics/math -
**Yelllo**, Wednesday, March 27, 2013 at 10:10am
But radius is not given

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