Posted by Jack on Monday, March 25, 2013 at 10:34am.
Two parallel wires carry 1A currents in unknown directions. The distance between the wires is 10cm. What is the magnitude of the magnetic field B in Teslas at a point P located 6cm away from the axis of one of the wires and 8cm 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 345 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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