Quasi-Static Magnetization of a Magnetic Substance

[PetesMcSkeets]

Homework Statement

Homework Equations

energy=-u_0(B)[/B]

The Attempt at a Solution

According to the back of the book,
a. energy level separation increaess
b. mean energy decreases which makes sense since B is increasing then E must be increasing negatively.
c. negative (not too sure why this is the case)
d. increases
e. T increases[/B]