If a bar magnet is falling through a loop of wire, the induced ...

[melly21297]

If a bar magnet is falling through a loop of wire, the induced current in the loop of wire sets up a field which exerts a force on the magnet. This force between the magnet and the loop will be repulsive when:
 a. the magnet enters the loop.
  c. never.
  b. the magnet is leaving the loop.
  d. the magnet is halfway through.

Question 2

The bulk modulus of a material, as a meaningful physical property, is applicable to which of the following?
 a. only solids
  c. only gases
  b. only liquids
  d. solids, liquids and gases

[rnehls]

Answer to Question 1

A

Answer to Question 2

D