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Newnes Circuit Calculations Pocket Book
book

Newnes Circuit Calculations Pocket Book

by Thomas J. Davies
April 2016
Intermediate to advanced content levelIntermediate to advanced
384 pages
12h 56m
English
Newnes
Content preview from Newnes Circuit Calculations Pocket Book
Resistors 21
1000
4
250R
(c) Series-parallel
1 Figure 2.7 shows an example of a series-parallel circuit. To find
the combined resistance R, first find the value of the parallel
combination R
2
and /?
3
.
Combined resistance = -
R2R3
Ri + R3
220 x 330
220 + 330
72 600
550
132R
R
2
680 R
220 R
*3
*4
820 R
330 R
—R—
Figure
2.7
The circuit shown in Figure 2.8 is therefore equivalent to the
circuit in Figure 2.7, and the total resistance is
R = 680 + 132 + 820
= 1632 =
1.632k
= 1K632
680 R 132 R
820 R
Figure
2.8
10
PRINT "PROG 23"
20
PRINT "THIS PROGRAM COMPUTES R
30
INPUT "ENTER THE VALUE OF Rl"
40
INPUT "ENTER THE VALUE OF R2"
50
INPUT "ENTER THE
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Publisher Resources

ISBN: 9781483101132