FOCUS ON MATH
Percent
What is a Percent
and where is it used?
Type your answer in the box below:
Percent is the ratio in which the denominator
is 100. It can be expressed using the
percent symbol %. A percent is equivalent
to a fraction with denominator 100.
For example, 50% is the ratio 50:100
and 90% is the ratio 90:100.
Error in electrical measurements are
often expressed in percent to show the
difference between the measured and
true values as shown in the following
equation
Percent error is used to indicate the
degree of accuracy of a measurement.
Percent Deviation
of Electrical Components
Percent tolerance
is the maximum permitted amount of
deviation from the nominal, or named,
value. Percent deviation from the
nominal value is an indication of
the deviation between the actual value
of an electrical component and the
named or nominal value. It is expressed
as
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