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Diffstat (limited to '3554/CH4/EX4.6')
-rw-r--r-- | 3554/CH4/EX4.6/Ex4_6.sce | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/3554/CH4/EX4.6/Ex4_6.sce b/3554/CH4/EX4.6/Ex4_6.sce new file mode 100644 index 000000000..f5784d267 --- /dev/null +++ b/3554/CH4/EX4.6/Ex4_6.sce @@ -0,0 +1,36 @@ +// Exa 4.6
+
+clc;
+clear all;
+// Referring Fig. 4.6- Example on loading effect from page no.81
+
+// Given data
+R1=10000; // Ohms
+R2=10000;// Ohms
+V=100; // Applied Voltage
+
+// Solution
+
+VR2= R2/(R1+R2)* V;// True Voltage across R2 resistance
+printf('True voltage across R2 = %d V \n ',VR2);
+
+// Case-1 : Using a voltmeter 1 having sensitivity of 1000 Ohms/V
+
+S1=1000; // Sensitivity in Ohms/volt
+R21=S1*VR2; //R2 resistance on its 50 V range(Ohms)
+Req1=R21*R2/(R21+R2);// Equivalent resistance across R2(ohms)
+printf('Connecting the meter 1 across R2 causes an equivalent parallel resistance given by %.2f k Ohms \n ',Req1/1000);
+V21=Req1/(Req1+R2) * V;
+printf('Now the voltage across the total combination is given by %.2f V \n ',V21);
+
+// Case-2 : Using a voltmeter having sensitivity of 20,000 Ohms/V
+
+S22=20000; // Sensitivity in Ohms/volt
+R22=S22*VR2;// R2 resistance on its 50V range(Ohms)
+Req2=R22*R2/(R22+R2);// Equivalent resistance across R2(ohms)
+printf('Connecting the meter 2 across R2 causes an equivalent parallel resistance given by %.2f k Ohms \n ',Req2/1000);
+V22=Req2/(Req2+R2) * V;
+printf('Now the voltage across the total combination is given by %.2f V \n ',V22);
+
+disp(" This example shows that a high sensitivity voltmeter(i.e voltmeter 2 in this case) should be used to get accurate readings");
+// The answers vary due to riund off error.
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