April 2016
Intermediate to advanced
384 pages
12h 56m
English
Content preview from Newnes Circuit Calculations Pocket Book
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202
Circuit calculations pocket book
is small compared to X
L
and X
c
then V
L
and V
c
are greater
than the supply voltage.
Voltage magnification at resonance
voltage across L or C
= = Q
supply voltage
Hence
Q =
VL
V
200
~~ 100 ~
2 =
IXL
IR
-?±
R
Q =
Vc
V
200
~ 100 ~
2 =
IXc
IR R
8 The true power = apparent power. This means that all the
power is consumed in the resistance, and a power factor of 1
therefore means maximum efficiency.
10 PRINT "PROG 17 7"
20 PRINT "SERIES RESONANCE"
30 INPUT "ENTER INDUCTANCE IN HENRYS" ; L
40 INPUT "ENTER CAPACITANCE IN MICROFARADS" : C
50 LET X=2*3.141593*SQR(L*C/10
A
6)
60 LET FR=1/X
70 PRINT "RESONANT FREQUENC ...
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