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Principles of Analog Electronics
book

Principles of Analog Electronics

by Giovanni Saggio
January 2014
Intermediate to advanced content levelIntermediate to advanced
567 pages
23h 13m
English
CRC Press
Content preview from Principles of Analog Electronics
Two-Terminal Components
153
ANSWER
The topology can be simplied, as in the topologies shown in Figure 4.86,
with
||
34
34
RRR
=
and
345 34
5
RRR=+
.
The current
345
i
R
can be found with the rule of the current divider between
the resistors
2
R
and
345
R
:
345
2
2 345
i
R
RR
i
Rg
=
+
Referring now to the circuit of Figure 4.85, and reapplying the current
divider rule, we can write
3
4
34
345
4
34
2
2 345
i
R
RR
i
R
RR
R
RR
i
RR g
=
+
=
++
The numerical values are
|| 333
34 34
RRR
=≅
;
1333
345
R ≅Ω
;
iA
R
=
3
345
;
=iA
R
1
3
EXERCISE 10
Star and triangle topologies can be equivalent. Referring to Figure 4.87a
and b, this is true when the value of the resistance between two points in
a star connection is t ...
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Publisher Resources

ISBN: 9781466582026