A wire carrying a 28.0?A current bends through a right angle. Consider two 2.00?

Question

A wire carrying a 28.0?A current bends through a right angle. Consider two 2.00?mm segments of wire, each 3.00 cm from the bend (the figure (Figure 1) ).

Find the magnitude of the magnetic field these two segments produce at point P, which is midway between them.

A wire carrying a 28.0?A current bends through a right angle. Consider two 2.00?mm segments of wire, each 3.00 cm from the bend (the figure (Figure 1) ). Find the magnitude of the magnetic field these two segments produce at point P, which is midway between them.

Explanation / Answer

dB = (uoi/4pi)*( dl x r)/r^3

here dL = 2e-3 m

u0 = 4pie-7

r = 0.0212

so Bnet at P = B1+B2

after calculation answer comes out as   1.76*10^-5 T

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