# Physics equations/22-Magnetism/Q:AmpereLawCALC

## 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, ${\displaystyle \int {\vec {H}}\cdot {\vec {d\ell }}}$, 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, ${\displaystyle \int {\vec {H}}\cdot {\vec {d\ell }}}$, 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, ${\displaystyle \int {\vec {H}}\cdot {\vec {d\ell }}}$, 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, ${\displaystyle \int {\vec {H}}\cdot {\vec {d\ell }}}$, 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