PHYS208 Fundamentals of Physics II

Quiz 8 -- Ampere's Law

  1. Write the formula representing Ampere's law.

  2. Express Ampere's law in words.

  3. Discuss the symmetry of the magnetic field that you expect inside a toroid carrying a current. Include sketch!

  4. Discuss your choice of amperian loop for the toroid. Include sketch!

  5. Derive an expression for B inside a toroid carrying a current i.

  6. Estimate B resulting from 1.0 A current flowing through our demonstation toroid. A label on the toroid indicates: 521 turns, cross-sectional area 1.25 cm2, outside diameter 10.12 cm, inside diameter 7.60 cm.

Last updated April 24, 1998.
Copyright George Watson, Univ. of Delaware, 1998.