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CHAPTER 11: ELECTRICAL ENGINEERING QUESTIONS AND VERIFIED ANSWERS|100% CORRECT|GRADE A+
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CHAPTER 11: ELECTRICAL ENGINEERING QUESTIONS AND VERIFIED ANSWERS|100% CORRECT|GRADE A+
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CHAPTER 11: ELECTRICALENGINEERING QUESTIONS AND
VERIFIED ANSWERS|100%
CORRECT|GRADE A+
Electrical Engineering - ANSWER The design and construction of electrical and electronic components
and devices
Institute of Electrical and Electronics Engineers (IEEE) - ANSWER Broadest professional society for
electrical engineers
Electricity - ANSWER The movement of electrons
Atoms - ANSWER All matter is made up of this microscopic building block
Electrons - ANSWER Negatively charged subatomic particles
Protons - ANSWER Positively charged subatomic particles
Neutrons - ANSWER Neutral Charge
Valence Shell - ANSWER Atom's outer ring of electrons
Ions - ANSWER Electrically charged atoms
Static Electricity - ANSWER The excess of charge on the surface of an object.
Conductor - ANSWER Electricity usually flows through a solid piece of material
Law of Conservation of Energy - ANSWER States that energy cannot be created or destroyed.
, Generators - ANSWER Produce electricity by changing mechanical energy to electrical energy.
Battery - ANSWER An electrical connection of two or more cells.
Cells - ANSWER Create electrical energy using a chemical action.
Electrode - ANSWER A solid conductor through which electricity enters or leaves a medium.
Primary Cells - ANSWER Disposable batteries
Secondary Cells - ANSWER Batteries that can be recharged
Solar Cells - ANSWER Use light to create electricity.
Voltage - ANSWER The amount of pressure causing the flow of electrons, which is expressed as
electromotive force (EMF)
Current - ANSWER A measure of the flow of electrons per unit time.
Coulombs - ANSWER A measure of the amount of electricity.
Polarity - ANSWER The positive or negative condition at the power supply terminal.
Direct Current (DC) - ANSWER Polarity is constant and current flows in only one direction
Alternating Current (AC) - ANSWER Polarity changes back and forth from positive to negative, causing
current to go back and forth.
Resistance - ANSWER The opposition to current flow.
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