True/False
Indicate whether the
statement is true or false.
|
|
|
1.
|
An inductor does not permit an instantaneous change in its terminal
current.
|
|
|
2.
|
An insuctor does not permit an instantaneous change in its termal
voltage.
|
|
|
3.
|
An inductor behaves as a short circuit in the presnce of a constant
terminal current.
|
|
|
4.
|
A capacitor does not permit and instantaneous change in its terminal
voltage.
|
|
|
5.
|
A capacitor does not permit an instantaneous change in its terminal
current.
|
|
|
6.
|
A capacitor behaves as an open circuit in the presence of a constant terminal
voltage.
|
Completion
Complete each
statement.
|
|
|
7.
|
Because inductors and capacitors cannot generate energy, they are classified as
________ elements.
|
|
|
8.
|
Inductance is the circuit parameter used to describe an ___________.
|
|
|
9.
|
Inductance is symbolized by the letter L, is measured in ___________(H), and is
represented graphically as a coiled wire.
|
|
|
10.
|
The power and energy relationships for an inductor can be derived directly from
the current and __________ relationships.
|
|
|
11.
|
The circuit parameter of capacitance is represented by the letter C, is measured
in __________(F), and is symbolized graphically by two short parallel conductive plates.
|
|
|
12.
|
As the voltage varies with time, the displacement of charge also varys with
time, causing whis is known as the ______________ current.
|
|
|
13.
|
We keep track of polarities by a method know as the ____ convention, in which a
dot is place on one terminal of each winding.
|
|
|
14.
|
When the reference direction for a current enters the dotted terminal of a coil,
the reference polarity of the voltage that it induces in the other coil is __________ at its dotted
terminal.
|
|
|
15.
|
The concept of ___________ can be traced to Michael Faraday, who did pioneering
work in this area in the early 1800’s.
|
|
|
16.
|
Faraday postulated that a magnetic field consists of lines of _______
surrounding the current-carrying conductor.
|
|
|
17.
|
As the current increases and decreases, the elastic bands (that is, the lines of
force) spread and collapse about the ____________.
|
|
|
18.
|
The value of mutual inductance is a _________ of the self-inductances.
|
|
|
19.
|
The coefficient of coupling is _____ when the two coils have no common
flux;
|
|
|
20.
|
___________ touch screens are often used in applications where two or more
simultaneous touch points must be detected.
|
Matching
|
|
|
a. | Dot convention | d. | Inductance | b. | Capacitance | e. | Coefficient of coupling | c. | Mutual
Inductance |
|
|
|
21.
|
A linear circuit parameter that relates the voltage induced by a time-varying
magnetic field to the current producing field.
|
|
|
22.
|
A linear circuit parameter that relates the current induced by a time-varying
electric field to the voltage producing field.
|
|
|
23.
|
M, is the circuit parameter relating the voltage induced in one circuit to a
time-varying curent in another circuit.
|
|
|
24.
|
Establishes the plarity of mutually induced voltages.
|
|
|
25.
|
k, is a measure of the degree of magnetic coupling.
|