ENGR 103 Exam 3 Questions With Correct Answers

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12/3/2024 11:27AM



ENGR 103 Exam 3 Questions With Correct
Answers


Which law is directly related to Ohm's Law in electrical systems? - answer✔Hooke's Law in

mechanical systems


Charge Abbreviation - answer✔q


Charge units - answer✔Coulombs


Coulombs abbreviation - answer✔C


Charge is - answer✔the amount of electrons measured in Coulombs


1 C = - answer✔6.241 x 10^(18) electrons


a charge ____________ constitutes an electric current - answer✔in motion


current abbreviation - answer✔I


an electric current is - answer✔the time rate of charge passing through the cross sectional area of

an electrical conductor


I = - answer✔Δq/Δt

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12/3/2024 11:27AM


I is - answer✔current


q is - answer✔charge


t is - answer✔time


1 A = - answer✔1 C/s


current can be ______ or ________ - answer✔constant, time varying


i(t) = - answer✔dq(t)/dt


q(t) = - answer✔integral of current


two types of current - answer✔DC (Direct/Average Current) & AC (Alternating Current)


DC current is 1) 2) 3) - answer✔1) unipolar- current travels in only one direction




2) time independent




3) constant


AC current is 1) 2) 3) - answer✔1) bipolar- current alternates direction of travel