8.
A metal is said to be magnetized when it has the ability to accomplish which of the
following actions?
a. Cause certain chemicals to fluoresce.
b. Generate heat by chemical action.
c.
Ionize dust particles.
d. Attract bits of iron.
9.
Which of the following materials is an example of a nonmagnetic substance?
a. Steel.
b. Glass.
c.
Nickel.
d. Cobalt.
10.
A metal that can be magnetized more easily than another is said to have higher:
a. Retentivity.
c.
Permeability.
11.
A coil of current-carrying wire wrapped around a soft iron core is a(n):
c.
Electromagnet.
MD0950
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