blob: 62025d39e8ec17362e940f2617a5d20229f7d4b0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
//===========================================================================
//chapter 1 example 11
clc;
clear all;
//variable declaration
E = 20; //voltage in V
R1 = 2; //resistance in kΩ
R2 = 2; //resistance in kΩ
R3 = 1; //resistance in kΩ
R = 200; //resistance whe current is connected to terminals in Ω
//calculations
Io = (E/(R1+((R2*R3)/(R2+R3))))*(R2/(R2+R3)); //nortons equivalent current in kΩ
Rout = R3+((1/(R1))+(1/(R2))); //output resistance in kΩ
IL = Io*((R1*1000)/((R1*1000)+R)); //measured value of current in mA
e = ((IL-Io)/(Io))*100; //percentage error in %
A = 100+e; //accuracy of measurement in %
//result
//mprintf("resistance of voltage = %3.2f kΩ",Rm);
mprintf("actual value of current flowing through 1000 Ω is %3.2f mA",Io');
mprintf("\nmeasured value of current when 200 Ω is connected is %3.2f mA",IL);
mprintf("\npercentage error = %3.1f percentage(low) ",e);
mprintf("\naccuracy of measurement = %3.1f percentage ",A);
|
