blob: 8fe233ce712f7918242d102f8fcf5c8a3187719b (
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
|
//Example 4.11
clc;
R1=10000;
R2=10000;
V=100; //Voltage across given terminals
VR2=R2*V/(R1+R2); //Using Voltage divider between R1 R2
//Also the true voltage across R2
// Case I: Given is sensitivity of 1000
S1=1000; //Given sentivity
Rv=S1*VR2; //Voltmeter Resistence
Req=R2*Rv/(R2+Rv); //R2 is parallel to meter
V1=V*Req/(R1+Req); //Voltage across the total combination
disp(V1,'Voltmeter with Sensitivity of 1000 indicates ')
// Case II: Given is sensitivity of 20000
S2=20000; //Given sentivity
Rv=S2*VR2; //Voltmeter Resistence
Req=R2*Rv/(R2+Rv); //R2 is parallel to meter
V2=V*Req/(R1+Req); //Voltage across the total combination
disp(V2,'Voltmeter with Sensitivity of 20000 indicates ')
if (V1>V2) then
disp('Voltmeter with Sensitivity of 1000 is better')
else
disp('Voltmeter with Sensitivity of 20000 is better')
end
|