# Physics equations/22-Magnetism/Q:AmpereLawTorusCylinder

## pe22AmpLawTorusCylinder A

[A torus is centered around the x-y plane, with major radius, a = 1.56 m, and minor radius, r = 0.65m. A wire carrying 4.4A is uniformly wrapped with 890 turns. If B=μ0H is the magnetic field, what is H inside the torus, at a point on the xy plane that is 0.26m from the outermost edge of the torus?[File:KaisekiGairon-371-3.svg|right|240px|KaisekiGairon-371-3]]

 a) 2.22E+02 amps per meter b) 2.40E+02 amps per meter c) 2.59E+02 amps per meter d) 2.79E+02 amps per meter e) 3.02E+02 amps per meter

## pe22AmpLawTorusCylinder B

1

A torus is centered around the x-y plane, with major radius, a = 3.24 m, and minor radius, r = 1.35m. A wire carrying 4.9A is uniformly wrapped with 731 turns. If B=μ0H is the magnetic field, what is H inside the torus, at a point on the xy plane that is 0.81m from the outermost edge of the torus?

 a) 1.11E+02 amps per meter b) 1.20E+02 amps per meter c) 1.30E+02 amps per meter d) 1.40E+02 amps per meter e) 1.51E+02 amps per meter

2 What is the sum of 6.6 apples plus 33 apples?

 a) 3.61E+01 apples b) 3.96E+01 apples c) 4.34E+01 apples d) 4.76E+01 apples e) 5.22E+01 apples

3 What is the sum of 0.2 apples plus 57 apples?

 a) 5.72E+01 apples b) 6.27E+01 apples c) 6.88E+01 apples d) 7.54E+01 apples e) 8.27E+01 apples

## pe22AmpLawTorusCylinder C

1

A torus is centered around the x-y plane, with major radius, a = 6.48 m, and minor radius, r = 2.16m. A wire carrying 5A is uniformly wrapped with 930 turns. If B=μ0H is the magnetic field, what is H inside the torus, at a point on the xy plane that is 0.54m from the outermost edge of the torus?

 a) 5.31E+01 amps per meter b) 5.73E+01 amps per meter c) 6.19E+01 amps per meter d) 6.68E+01 amps per meter e) 7.21E+01 amps per meter

2 What is the sum of 0.8 apples plus 18 apples?

 a) 1.56E+01 apples b) 1.71E+01 apples c) 1.88E+01 apples d) 2.06E+01 apples e) 2.26E+01 apples

3 What is the sum of 7.2 apples plus 9 apples?

 a) 1.62E+01 apples b) 1.78E+01 apples c) 1.95E+01 apples d) 2.14E+01 apples e) 2.34E+01 apples