Element
+
_
i
v
through variable
across variable
Lesson 1 – Introduction and Fundamental Variables (Chapter 1) (Chapter Learning Objectives or
CLOs 11 thru 13)
This is the first lesson on Circuits.
There is a lot of basic material to cover, but concentrate on
the key topics.
They all can and should read the material.
Use this lesson to introduce the main players in the course:
current, voltage
and
power
.
To help
the students put these characters in perspective use the following diagram:
Applied Variables
Basic Variables
dt
dq
i
=
dt
d
dq
dw
v
λ
=
=
dt
dw
p
=
i
v
p
×
=
The Basic Variables are derived in the Physics courses and form the basis for the Applied
Variables used in the course.
Each applied variable should be introduced. Include a discussion of
their abbreviations, units and relationships.
is Flux Linkages.
You need not say much about it
now but it will be needed when inductors are introduced in Chapter 6.
This is a good time to discuss engineering notation and the various prefixes used in engineering.
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 Spring '08
 MAURICIODEOLIVERIA
 Evans, mean sea level

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