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//===========================================================================
//chapter 6 example 15
clc;clear all;
//variable declaration
Si = 0.1*10^-3; //current sensitivity in mA
Rm = 500; //meter resistance in Ω
V1 = 10; //full -scale voltage in V
V2 =50; //volage range in V
V3 =100; //volage range in V
V4 =500; //volage range in V
//calculations
Sv = (1/(Si))*10^-3; //voltage sensitivity in Ω/V
Rm1 =500*10**-3; //Rm in kΩ
RT1 = Sv*V1; //total resistance required in kΩ
R1 = RT1-Rm1; //additional resistance in kΩ
RT2 = Sv*V2; //total resistance required in kΩ
R2 = RT2-Rm1-R1; //additional resistance in kΩ
RT3 = Sv*V3; //total resistance required in kΩ
R3 = RT3-Rm1-R2-R1; //additional resistance in kΩ
RT4 = Sv*V4; //total resistance required in kΩ
R4 = RT4-Rm1-R1-R2-R3; //additional resistance in kΩ
//result
mprintf("additional resistance = %3.2f kΩ",R1);
mprintf("\nadditional resistance = %3.2f kΩ",R2);
mprintf("\nadditional resistance = %3.2f kΩ",R3);
mprintf("\nadditional resistance = %3.2f kΩ",R4);
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