Test
Electronic Engineering Semester Study Guide
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Preguntas del test (27)
1Piezoelectric is described as converting _____ to electricity.
- Apressure
- Bsunlight
2What is the least number of cells required to make a battery?
- A3
- B2
3 A battery _____.
- Acan be rated in amp hours
- Bis rated in kilowatt hours
4The constant flow of electrons in one direction in the electrical circuit is
called _____ current.- Adirect
- Bconstant
5Which of the following does not get its power from a dc source?
- AEmergency lamps
- BStreetlights
6The capacity of a battery, or the amount of energy it can provide for a
period of time, is measured in _____.- Aampere-hours
- Bohm-hours
7Which of the following is not a common type of secondary dry cell?
- ACCC
- BAAA
8A secondary dry cell is one that _____.
- Acontains various types of acid
- Bis rechargeable
9Nickel-cadmium cells are typically found in _____.
- Asmall appliances and digital cameras
- Bdevices requiring a 9-volt power supply
10Lithium ion cells _____.
- Aweigh less than nickel-cadmium cells and have a higher voltage rating
- Bproduce a lower voltage than nickel-cadmium cells
11Which of the following is not true about using “jumper cables” to start a car
with a dead battery?- AIt is dangerous due to sparks possibly causing an explosion.
- BIt is safer to recharge a frozen battery because there is less chance of an
explosion.
12The acid/electrolyte in a battery can be tested in terms of specific gravity
with a _____.- Ahydrometer
- Bcontinuity tester
13Specific gravity is _____.
- Aused to describe the light energy available for creating electricity
- Ba comparison of the density of acid with that of water
14The technology of converting light energy into electricity is known
as _____.- Aphotovoltaics
- Bpiezoelectrics
15Sound waves entering a microphone and being converted to electrical
energy is an example of the _____ effect.- Apiezoelectric
- Bphotovoltaic
16 A schematic is a _____.
- Adrawing of the actual components in a circuit
- Bline drawing with symbols to represent components
17 Which of the following depends on the use of electricity?
- AMass-produced books.
- BHospital laboratories & Lighted harbors in large cities.
- CAll of the Above
18 Which of the following statements is false?
- ABecoming careless often causes an electrical-related injury.
- BAlways follow safety tips and information, or injury might result & You do not have be an expert to enjoy the benefits of electricity.
- CNone of the Above
19 The requirements for a completed circuit are a _____.
- Asource, path, and load
- Bbattery, source, and switch
20. When current is flowing in a circuit, _____.
- Apositive charges will be recorded, but negative charges will not
- Belectrons flow from negative to positive
21 A battery _____.
- Aconsists of two or more cells
- Bcan never be recharged
22 The lamp in a circuit is usually considered to be the _____.
- Apath
- Bload
23 A drawing that uses symbols _____
- Ais called a schematic
- Bis harder to draw than one with actual components
24To learn more about the names and atomic structure of elements _____.
- Arefer to a periodic table of elements
- Brefer to a laboratory proton chart
25 The second shell of an atom _____.
- Acan have up to eight electrons in its orbit
- Bhas the same number of electrons as the first shell
26Copper is a good conductor of electricity because _____.
- Ait has more electrons than any of the other good conductors
- Bits outer electron can be moved easily
27 One amp is equal to a flow of _____.
- Abillions and billions of electrons passing a point in one second
- Ba small number of electrons being absorbed by its protons
Información
- Descripción
- Test sobre Electronic Engineering Semester Study Guide, creado por Bren Stevens el 05/12/2019.
- Autor
- Bren Stevens
- Idioma
- English
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