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//===========================================================================
//chapter 4 example 6
clc;
clear all;
//Variable declaration
I1 = 10; //current in A
theta1 = 60; //deflection in °
theta2 = 40; //deflection in °
//calculations
I2 = (I1)*(theta2/(theta1)); //current in case spring controlled ammeter in A
x = sin(((theta2*%pi)/(180)));
y = sin((theta1*%pi)/(180));
I21 = (I1)*(x/y); //current in case gravity controlled ammeter in A
//result
mprintf("current in case spring controlled ammeter = %3.2f A",I2);
mprintf("\ncurrent in case gravity controlled ammeter = %3.2f A",I21);
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