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//===========================================================================
//chapter 5 example 33
clc;
clear all;
//variable declaration
//x = dC/d(theta)
//Td = (1/2)*(V^2)*(dC/d(theta))
x = 0.5*10^-12; //dC/d(theta) in pF/degree
y = 1.5*10^-12; //dC/d(theta) in pF/degree
T = 8*10^-6; //torison constant in Nm
N1 =100;
N2 =35;
//calculations
x1 = x*(180/%pi); //dC/d(theta) in pF/radian
y1 = y*(180/%pi); //dC/d(theta) in pF/radian
//Td = Tc = T*N*(%pi/180)
Td = T*N1*(%pi/180); //deflecting torque in N-m
V1 = sqrt((2*Td)/x1); //voltage required in V
Td1 = T*N2*(%pi/180); //deflecting torque in N-m
V2 = sqrt((2*Td1)/y1); //voltage required in V
//result
mprintf("voltage deflection at 100 = %3.0f V",V1);
mprintf("\nvoltage deflection at 100 = %3.0f V",V2);
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