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·~
4-2 Applied Examples
[Electricity
1
Electric Circuits
Obtain the voltage VC at both terminals of the
condenser at
t
= 56msec.
PMT=PV
i
1
=
1000000
X
0
· 007 1
5
1-(1+i)n
1
(1+0
.
0075)10
X
1
2
=
12667
.
57738
[D1l±l
.oo750J@JCD
100012QJ§Illil~l±l
_ (
,(
t)
VI
Q
R=I
5
00Q
1§1llil00
0075001000000§
(12667
57738)
IOOV
I
Vc
C=50J.~F
Vc
=
Vi(
1-
eilC)
t
=
56m sec
56
X
10-
3
=
1
00 X
(
1
-
e
JsooxsoxJo-•
)
=52.
60562649
1 0000CD1
GCD15000050~6
~G56~3
~(JJ
lllil~~(JJ
§
(52. 60562649)
[Financial Calculations]
[Algebra]
The
Root of a Quadratic Equation
(Only
for problems having a real root.)
X
-b+ /bL
4ac
2a
-
{
-
0.25
x
-
-
2
-
9
+/92_
4
X4 X2
2X4
Loan Repayment
9084 004
002§~
Determine the monthly payment amount on a
CD
=ri11NV
RM Ill¥
r
<
9t9d:Jc:::J@c:::JC£J0JB2G 4§
one million yen, ten-year term loan carrying a
monthly interest
rateof0.75%.
(D9~G~~~;f;OJG2 G4
§
44
PMT =Amount of repayment
PV =Amount of loan
i =Monthly interest
n = Number of years
49
)
(
-
0
25)
(
-
2
)
45
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