Physics equations/22-Magnetism/Q:AmpereLawCALC

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pe22AmpereLawCalc A

1. H is defined by, B=μ0H, where B is magnetic field. A current of 48A passes along the z-axis. Use symmetry to find the integral, \int \vec H\cdot\vec{d\ell}, from the point (0,6.7) to the point (6.7,0).

a) 9.10E+00 amps
b) 9.98E+00 amps
c) 1.09E+01 amps
d) 1.20E+01 amps
e) 1.32E+01 amps

2. H is defined by, B=μ0H, where B is magnetic field. A current of 67A passes along the z-axis. Use symmetry to find the integral, \int \vec H\cdot\vec{d\ell}, from the point (-6.1, 6.1) to the point (6.1, 6.1).

a) 1.27E+01 amps
b) 1.39E+01 amps
c) 1.53E+01 amps
d) 1.68E+01 amps
e) 1.84E+01 amps

3. H is defined by, B=μ0H, where B is magnetic field. A current of 84A passes along the z-axis. Use symmetry to find the integral, \int \vec H\cdot\vec{d\ell}, from the point (0,9.3) to the point (9.3,9.3).

a) 1.05E+01 amps
b) 1.15E+01 amps
c) 1.26E+01 amps
d) 1.38E+01 amps
e) 1.52E+01 amps

4. H is defined by, B=μ0H, where B is magnetic field. A current of 81A passes along the z-axis. Use symmetry to find the integral, \int \vec H\cdot\vec{d\ell}, from (-∞,6.4) to (+∞,6.4).

a) 3.37E+01 amps
b) 3.69E+01 amps
c) 4.05E+01 amps
d) 4.44E+01 amps
e) 4.87E+01 amps

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