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ENGR 103 Exam 3 With Complete Solution
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ENGR 103 Exam 3 With Complete Solution...
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ENGR 103 Exam 3 WithComplete Solution
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 Δ q/Δ t
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
2) time dependent
3) sinusoid
AC circuit analysis requires - ANSWER analysis of circuits in the phasor
domain
Phasor representation of electrical signals are similar to - ANSWER polar
representation of vectors
Voltage abbreviation - ANSWER V
Volatge is - ANSWER the difference in energy level of a unit charge located
between two points in a circuit
1 V = - ANSWER 1 J/C
voltage is measured in - ANSWER Volts (V)
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