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A hexagonal loop of side

L = 5.1 cm

carries a current of

I = 1.9 A

(see figure below). Determine the magnetic field at the center of the loop. Assume the positive z axis points out of the page. (Express your answer in vector form.)

FYI: Previous INCORRECT ANSWERS:

4.08e-5

2.21e-6

2.21e-5

3.79e-5

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Homework Answers

Answer #1

Given

hexagonal loop of carrying a current i = 1.9 A

with loop side L = 5.1 cm = 0.051m

the magnetic field at the center is B = ?

We know that the magnetic field of a hexagonal loop at the center is

B = srt(3)(mue0*i)/(pi*L)

B = sqrt(3) *4pi*10^-7*1.9/(pi*0.051) T

B = 2.5811*10^-5 T k

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