Completion Complete each
statement.
|
|
1.
|
A series-parallel circuit consists of ___________ of both series and parallel
current paths.
|
|
2.
|
If you know Ohm’s law, Kirchhoff’s laws, the voltage-divider
formulat, and the current-divider formula, and if you know how to apply these laws, you can solve
most ________ circuit analysis problems.
|
|
3.
|
When a load resistor, , is connected from the
output to ground, the output is reduced by and amount that depends on the value of . This is called ________.
|
|
4.
|
If the loading effect is small, the divider is said to be a _____ voltage
divider.
|
|
5.
|
As a rule of thumb, a stiff voltage divider is on in which the load resistor is
at least ____ times larger than the divider resistor.
|
|
6.
|
Because of its internal resistance, a voltmeter, or any other measuring
instrument for that matter, puts a ______ on the circuit and will affect, to a certain extent, the
voltage that is being measured.
|
|
7.
|
The Wheatstone bridge circuit can be used to precisely measure resistance.
However, the bridge is most commonly used in conjunction with _________ to measure physical
quantities such as strain, temperature, and pressure.
|
|
8.
|
Transducers are devices that sense a change in a physical parameter and convert
that change into an __________ quantity such as a change in resistance.
|
|
9.
|
The Wheatstone bridge is in the balanced bridge condition when the output
voltage ( ) between terminals A and B is equal to
________.
|
|
10.
|
An ___________ bridge condition occurs when is not equal
to zero.
|
|
11.
|
If temperature is to be measured, the transducer can be a __________, which is a
temperature-sensitive resistor.
|
|
12.
|
A Wheatstone bridge with a strain gauge can be used to measure ________.
|
|
13.
|
A _____ cell is a transducer that uses strain gauges to convert mechanical force
into an electrical signal.
|
|
14.
|
The ___________ equivalent voltage ( ) is the open circuit
(no-load), voltage between two specified output terminals in a circuit.
|
|
15.
|
The Thevenin equivalent resistance ( ) is the total resistance
appearing between two specified output terminals in a circuit with all sources replaced by their
___________ resistances (which for an ideal voltage source is zero).
|
|
16.
|
Remember, the Thevenin equivalent circuit for any resistive circuit is always
and equivalent votage source in series with an equivalent resistance _________ of the original
circuit that it replaces.
|
|
17.
|
Fo a given source voltage, maximum power is transferred from a source to a load
when the load resistance is ________ to the internal source resistance.
|
|
18.
|
The superposition theorem is a way to determine currents in a circuit with
________ sources by leaving one source at a time and replacing the other sources by their internal
resistances.
|
|
19.
|
Troubleshooting is the process of identifying and locating a ________ or problem
in a circuit.
|
|
20.
|
A short is considered to be a _____ resistance path between two points.
|