MEP SYSTEMS I (COSC 325) ELECTRICAL EXAM - HOUSTON QUESTIONS | TESTED AND PROVEN ANSWERS | LATEST UPDATE 2024/2025 100% (GRADE A+)

MEP SYSTEMS I (COSC 325) ELECTRICAL EXAM -
HOUSTON QUESTIONS | TESTED AND PROVEN
ANSWERS | LATEST UPDATE 2024/2025 100%
(GRADE A+)
What is the movement of electrons from atom to atom? (20 - 431)


Ans>> Electricity




What is a state of matter that has definite volume and shape? (20-431)


Ans>> Solid




What is a state of matter that has definite volume but not definite shape? (20-431)


Ans>> Liquid




What is a state of matter that is fluid, has a relatively low density, and is highly compressible?

(20-431)


Ans>> Gas




True or False? All matter has electrical properties. (20-431)


1

,Ans>> 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)


Ans>> 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)


Ans>> Insulator


Rubber, Glass, Paper, Plastic




What is a negatively charged particle in an atom? (20-431)


Ans>> Electron




What is a neutral particle, with a mass roughly equal to a proton, that exists in the nucleus of an

atom? (20-431)


2

,Ans>> Neutron




What is a positively charged particle that exists in the nucleus of an atom? (20-431)


Ans>> Proton




What in an atom determines its weight and atomic number? (20-431)


Ans>> The number of Protons




What is produced when there are fewer electrons than normal? (20-431)


Ans>> Positive Charge




What is produced when there are more electrons than normal? (20-431)


Ans>> Negative Charge




What is the maximum number of shells an atom can have? (20-432)


Ans>> Seven




3

, What is the outermost shell of an atom that contains the electrons that form new compounds? (20-

432)


Ans>> Valence Shell




What material is the best conductor? (20-433)


Ans>> 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)


Ans>> Semiconductor


Carbon, Germanium, Silicon




What is an electrical charge at rest? (20-433)


Ans>> Static Electricity




What is the alternating current (AC) created by power plant generators? (20-433)



4