Test
Chapter 1 Self Test
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Preguntas del test (23)
1An ideal voltage source has
- AZero internal resistance
- BInfinite internal resistance
- CA load-dependent voltage
- DA load-dependent current
2A real voltage source has
- AZero internal resistance
- BInfinite internal resistance
- CA small internal resistance
- DA large internal resistance
3If a load resistance is 100 Ω, a stiff voltage source has a resistance of
- ALess than 1 Ω
- BAt least 10 Ω
- CMore than 10 kΩ
- DLess than 10 kΩ
4An ideal current source has
- AZero internal resistance
- BInfinite internal resistance
- CA small internal resistance
- DA large internal resistance
5A real current source has
- AZero internal resistance
- BInfinite internal resistance
- CA small internal resistance
- DA large internal resistance
6If a load resistance is 100 Ω, a stiff current source has a resistance of
- AMore than 1 Ω
- BLess than 1 Ω
- CLess than 10 kΩ
- DMore than 10 kΩ
7The Thevenin voltage is the same as the
- AShorted-load voltage
- BOpen-load voltage
- CIdeal source voltage
- DNorton voltage
8The Thevenin resistance is equal in value to the
- ALoad resistance
- BHalf the load resistance
- CInternal resistance of a Norton circuit
- DOpen-load resistance
9To get the Thevenin voltage, you have to
- AShort the load resistor
- BOpen the load resistor
- CShort the voltage source
- DOpen the voltage source
10To get the Norton current, you have to
- AShort the load resistor
- BOpen the load resistor
- CShort the voltage source
- DOpen the current source
11The Norton current is sometimes called the
- AShorted-load current
- BOpen-load current
- CThevenin current
- DThevenin voltage
12A solder bridge
- AMay produce a short
- BMay cause an open
- CIs useful in some circuits
- DAlways has high resistance
13A cold-solder joint
- AAlways has low resistance
- BShows good soldering technique
- CUsually produces an open
- DWill cause a short circuit
14An open resistor has
- AInfinite current through it
- BZero voltage across it
- CInfinite voltage across it
- DZero current through it
15A shorted resistor has
- AInfinite current through it
- BZero voltage across it
- CInfinite voltage across it
- DZero current through it
16An ideal voltage source and an internal resistance are examples of the
- AIdeal approximation
- BSecond approximation
- CHigher approximation
- DExact model
17Treating a connecting wire as a conductor with zero resistance is an example of the
- AIdeal approximation
- BSecond approximation
- CHigher approximation
- DExact model
18The voltage out of an ideal voltage source
- AIs zero
- BIs constant
- CDepends on the value of load resistance
- DDepends on the internal resistance
19The current out of an ideal current source
- AIs zero
- BIs constant
- CDepends on the value of load resistance
- DDepends on the internal resistance
20Thevenin's theorem replaces a complicated circuit facing a load with an
- AIdeal voltage source and parallel resistor
- BIdeal current source and parallel resistor
- CIdeal voltage source and series resistor
- DIdeal current source and series resistor
21Norton's theorem replaces a complicated circuit facing a load with an
- AIdeal voltage source and parallel resistor
- BIdeal current source and parallel resistor
- CIdeal voltage source and series resistor
- DIdeal current source and series resistor
22One way to short a device is
- AWith a cold-solder joint
- BWith a solder bridge
- CBy disconnecting it
- DBy opening it
23Derivations are
- ADiscoveries
- BInventions
- CProduced by mathematics
- DAlways called theorems
Información
- Descripción
- Semiconductors
- Autor
- Katrina Himes
- Idioma
- English
- Visitas
- 12
- Etiquetas
- Valoración
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