A long, straight wire lies along the z axis and carries a 4.10 A current in the

Question

A long, straight wire lies along the zaxis and carries a 4.10 A current in the +zdirection. Find the magnetic field (magnitude and direction) produced at the following points by a 0.400 mm segment of the wire centered at the origin.

Part A

x=2.00m,y=0, z=0

Enter your answers numerically separated by commas.

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Part B

x=0, y=2.00m, z=0

Enter your answers numerically separated by commas.

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Part C

x=2.00m, y=2.00m, z=0

Enter your answers numerically separated by commas.

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Part D

x=0, y=0, z=2.00m

Enter your answers numerically separated by commas.

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A long, straight wire lies along the zaxis and carries a 4.10 A current in the +zdirection. Find the magnetic field (magnitude and direction) produced at the following points by a 0.400 mm segment of the wire centered at the origin.

Part A

x=2.00m,y=0, z=0

Enter your answers numerically separated by commas.

Bx,By,Bz = T

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Part B

x=0, y=2.00m, z=0

Enter your answers numerically separated by commas.

Bx,By,Bz = T

SubmitMy AnswersGive Up

Part C

x=2.00m, y=2.00m, z=0

Enter your answers numerically separated by commas.

Bx,By,Bz = T

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Part D

x=0, y=0, z=2.00m

Enter your answers numerically separated by commas.

Bx,By,Bz = T

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Explanation / Answer

B = mu_not*i(dl X R)/(4*pi*R^3)

A) B = 4*pi*(10^-7)*4.1/(4*pi*2*2) = 1.025 *10^-7 T

B = 1.025 *10^-7 j T

B) B = 4*pi*(10^-7)*4.1/(4*pi*2*2) = 1.025 *10^-7 T

B = -1.025 *10^-7 i T

C) B = 4*pi*(10^-7)*4.1/(4*pi*2*2*2) = 0.5125 *10^-7 T

B = -0.3623 i + 0.3623 j

D) Zero

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