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//=====================================================================================
//Chapter 13 example 2
clc;clear all;
//variable declaration
m = 100; //number of turns
n = 1000; //turns per m
theta1 = 10; //first throw in mm
theta2 = 9.5; //second throw in mm
I =10; //current in A
R = 500; // resistance in Ω
A = 0.002; //area in m**2
//calculations
//Q = (8*(math.pi)*(10**-7)*N*Ns*I*A)/(l*R) //in columbs
//Q = (8*(math.pi)*(10**-7)*n*l*m*I*A)/(l*R)
//Q =(8*(math.pi)*(10**-7)*n*m*I*A)/(R)
lamda = log(theta1/(theta2));
theta = theta1*(1+(lamda/(2)));
K =(8*(%pi)*(10^-7)*n*m*I*A)/(R*theta); //galvanometer constant in C/mm
//result
mprintf("galvanometer constant = %3.2e C/mm",K);
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