ELECTRICITY FOR TRADES (LOOSELEAF)
3rd Edition
ISBN: 9781260437454
Author: Petruzella
Publisher: MCG
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Textbook Question
Chapter 2.2, Problem 5RQ
Conductors have incomplete valence shell of _______, _______, or _______ electrons.
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Valence electrons are _____.
1. the total number of electrons in a charged element.2. the total number of electrons in a inner shell.3. the total number of electrons in a valence shell.4. the total number of electrons in a neutral element.
Semiconductor devices have the following advantages over vacuum tubes: They are _________, ____________, and __________.
1. The practical unit of electric charge. ____________
2. A path for the current to flow. ______________
3. DC Voltage has ________ polarity
4. Resistance to current flow in AC circuits, measured in ohms. ____________
5-7. Types of grounds in electrical/electronics circuits.
(5) ______________
(6) ______________
(7) ______________
8. Also known as Ohm’s Law. ________________
Chapter 2 Solutions
ELECTRICITY FOR TRADES (LOOSELEAF)
Ch. 2.1 - What three particles can be found within an atom?Ch. 2.1 - Which particle has a negative charge and rotates...Ch. 2.1 - Which particle of an atom has a positive charge?Ch. 2.1 - Compare the size and mass (weight) of the electron...Ch. 2.1 - Prob. 5RQCh. 2.1 - Normally every atom contains an ___________ number...Ch. 2.1 - Prob. 7RQCh. 2.1 - Prob. 8RQCh. 2.1 - Prob. 9RQCh. 2.1 - Prob. 10RQ
Ch. 2.2 - _________ electrons are found in the outermost...Ch. 2.2 - Whenever a valence electron is removed from its...Ch. 2.2 - Prob. 3RQCh. 2.2 - Conductors offer _________ resistance to current...Ch. 2.2 - Conductors have incomplete valence shell of...Ch. 2.2 - Insulators have few, if any, _______ electrons.Ch. 2.2 - Semiconductors have some of the characteristics of...Ch. 2.2 - Two examples of pure semiconductor materials are...Ch. 2.2 - Explain the main characteristic of a semiconductor...Ch. 2.2 - What is voltage similar to?Ch. 2.2 - Electric current refers to the flow of _________...Ch. 2.2 - Compare the resistance of a conductor with that of...Ch. 2.2 - What does the circuit of a simple battery-operated...Ch. 2.2 - Prob. 14RQ
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- 1. A quantity defined as amount of work done over time. _____________ 2. Types of material that has 4 valence electrons. _____________ 3. One Coulomb is equal to ____________ electrons or protons stored in a dielectric. 4. Best conductor material type. _____________ 5. Best insulator material type. _____________ 6. The value of a resistor without considering its tolerance value percentages. _____________ 7. 1 picoampere (pA) is equal to __________ ampere (A).arrow_forwardFILL IN THE BLANKS 1)When a positively charged metal touches an electroscope, electrons transfer from ______.2)Charging by ________________ is when two materials are brought into contact. 3)Charging by ________________ is when two materials are rubbed together. When a material has freely moving valence electrons, it is likely to be ___________________ . 4)As we add more charges in a certain location, electric field strength __________________ . 5)Charging by ______________ happens when an object effect on charges without contact and involves _________________ which means rearrangement of the charges in a neutral object.arrow_forwardIf the charging resistor was twice as large as the discharging resistor in Figure 4, theamplitudes of the charging and discharging waveforms would be ________.a. The sameb. Differentarrow_forward
- When the depletion region widens in the varactor diode, plate separation ____. a. will increase b. will decrease c. become infinite d. become zeroarrow_forwardThe alloying process in semiconductors is called _________arrow_forwardchoose the correct answer In solar power plant, the cost of concentrating collector is more than flat platecollector. TRUE or FALSEarrow_forward
- What is the types of material that has 4 valence electrons. One Coulomb is equal to ____________ electrons or protons stored in a dielectric.arrow_forward3. An insulator is a material containing _____ valence electrons. Select one: A. THREE OR FOUR B. FIVE OR SIX C. ONE OR TWO D. SEVEN OR EIGHTarrow_forwardMark the correct statement Select one: Oa. Insulators are those materials that contain electrons that can move freely. Or b. Conductors and insulators are materials with similar electrical properties. Or c. Conductors and insulators are those materials containing electrons that can move freely. Or d. Conductors are those materials containing electrons that can move freely. Are the materials that will be used to make electrical circuits.arrow_forward
- 23. The __________ formula relates physical and chemical process rates to temperature and is used to describe the relationship between temperature and time to failure for electronicarrow_forward1: ____________ damage occurred upon breakdown and the insulator needs to be replaced with the new one. 2:The liquid dielectrics contain voids or cavities within the medium or at the boundaries between the dielectric and the electrodes. The electric field strength in the voids is ____________ than that across the dielectric.arrow_forwardOhm's Law states that the electric current flowing though a ________ is directly proportional to the ________. Select one: a. closed circuit --- total resistance b. closed circuit --- switch resistance c. open circuit --- supply voltage d. closed circuit --- supply voltagearrow_forward
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