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Electric Circuits and Networks, Ist Edition by Pearson
book

Electric Circuits and Networks, Ist Edition by Pearson

by K. S. Suresh Kumar
May 2024
Intermediate to advanced content levelIntermediate to advanced
840 pages
45h 20m
English
Pearson India
Content preview from Electric Circuits and Networks, Ist Edition by Pearson
Phasors
Phasor is a complex
number that gives the
amplitude of the
complex exponential
function and the phase
of the complex
exponential function
with the time-variation
of the function
understood as e
j
ω
t
. It
can be used as a
representation for a
sinusoidal function.
The steps involved
in forward and inverse
phasor transformation
are easy and can be
done mentally with a
little practice.
For instance, if
X 1 j1, then the
magnitude is 2 and
the angle is 45° and the
time-domain waveform
is 2 cos(
ω
t 45°), if we
started with a cosine
and it is 2 sin(
ω
t 45°),
if we started with a sine.
Of course, we need to
know the value of
ω
in
addition to X.
The phasor
representation ...
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Publisher Resources

ISBN: 9781299447028