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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
380
10 SIMPLE RL CIRCUITS IN TIME-DOMAIN
We have two ways to find the currents delivered by the voltage sources – i
1
and
i
2
. In the first method, we find the voltage across M and N in the circuit in Fig. 10.5-11(a)
as v
MN
8i 0.018 di/dt and then find i
2
as (7 – v
MN
)/6 and i
1
as (v
MN
14)/12.
In the second method, we realise that all variables in this circuit will have a
Ae
–t/
τ
term and a steady-state term, and that we can find the arbitrary constant A if we
know the value of the particular variable at 0
+
. So, we set out to find the initial and final
(i.e., steady-state) value of the source currents. The inductor current was at 0.5 A at
t 0
+
. The voltage ...
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Publisher Resources

ISBN: 9781299447028