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MEP SYSTEMS I (cosc 325)ELECTRICAL EXAM-HOUSTON LATEST WITH ACTUAL QUESTIONS AND CORRECT VERIFIED ANSWERS ALREADY GRADED A+ 100% GUARANTEED PASS!$27.99
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MEP SYSTEMS I (cosc 325)ELECTRICAL EXAM-
HOUSTON LATEST 2024-2025 WITH ACTUAL
QUESTIONS AND CORRECT VERIFIED ANSWERS
ALREADY GRADED A+ 100% GUARANTEED PASS!
What is the movement of electrons from atom to atom? (20 - 431) - ANSWER-
Electricity
What is a state of matter that has definite volume and shape? (20-431) -
ANSWER-Solid
What is a state of matter that has definite volume but not definite shape? (20-
431) - ANSWER-Liquid
What is a state of matter that is fluid, has a relatively low density, and is highly
compressible? (20-431) - ANSWER-Gas
True or False? All matter has electrical properties. (20-431) - ANSWER-True
What is a material that has very little resistance and permits electrons to move
through it easily?
What is an example of this? (20-431) - ANSWER-Conductor
,Copper, Silver, Gold, Aluminum, Iron
What is a material that has a very high resistance and resists the flow of
electrons?
What is an example of this? (20-431) - ANSWER-Insulator
Rubber, Glass, Paper, Plastic
What is a negatively charged particle in an atom? (20-431) - ANSWER-Electron
What is a neutral particle, with a mass roughly equal to a proton, that exists in
the nucleus of an atom? (20-431) - ANSWER-Neutron
What is a positively charged particle that exists in the nucleus of an atom? (20-
431) - ANSWER-Proton
What in an atom determines its weight and atomic number? (20-431) -
ANSWER-The number of Protons
What is produced when there are fewer electrons than normal? (20-431) -
ANSWER-Positive Charge
What is produced when there are more electrons than normal? (20-431) -
ANSWER-Negative Charge
What is the maximum number of shells an atom can have? (20-432) - ANSWER-
Seven
What is the outermost shell of an atom that contains the electrons that form
new compounds? (20-432) - ANSWER-Valence Shell
, What material is the best conductor? (20-433) - ANSWER-Silver
What is an electronic device that has electrical conductibility between that of a
conductor and that of an insulator.
What are examples of these materials? (20-433) - ANSWER-Semiconductor
Carbon, Germanium, Silicon
What is an electrical charge at rest? (20-433) - ANSWER-Static Electricity
What is the alternating current (AC) created by power plant generators? (20-
433) - ANSWER-Generated Electricity
Power plant generators create ____ ____ _____ ____ electricity. (20-433) -
ANSWER-Three-Phase Alternating Current
What is an electric device that uses electromagnetism to change (step-up or
step-down) AC voltage from one level to another? (20-434) - ANSWER-
Transformer
What must you do to electricity before it enters a building from the wire? (20-
434) - ANSWER-Step-down
What do transformers step electricity down to to service apartments, condos,
townhomes, and homes? (20-434) - ANSWER-120 V/ 240 V
What is an electrical device containing fuses or circuit breakers for protecting
the individual circuits of a residence, and serves as means of disconnecting the
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