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Diffstat (limited to '3871/CH10/EX10.3/Ex10_3.sce')
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1 files changed, 32 insertions, 0 deletions
diff --git a/3871/CH10/EX10.3/Ex10_3.sce b/3871/CH10/EX10.3/Ex10_3.sce new file mode 100644 index 000000000..42285ccc2 --- /dev/null +++ b/3871/CH10/EX10.3/Ex10_3.sce @@ -0,0 +1,32 @@ +//===========================================================================
+//chapter 10 example 3
+
+clc;
+clear all;
+
+
+//variable declaration
+V = 120; //voltage in V
+I = 8; //current in A
+RA = 0.3; //resistance in Ω
+AR = 0.01; //maximum reading of ammeter in A
+VR = 0.1; //maximum reading of voltmeter in V
+AR1 = 10; //ammeter rane 0-10 A
+AV1 = 150; //voltmeter range in 0-150 V
+EA = 0.25; //constructional error of ammeter in %
+EV = 0.5; //constructional error of voltmeter in %
+
+
+//calculations
+Rm = V/I; //measured value of unknown resistance in Ω
+Rx = Rm-RA; //true value of unknown resistance in Ω
+EA1 = (AR/AR1)*100; //reading error of ammeter in %
+EV1 = (VR/AV1)*100; //reading of voltmeter in %
+dI = EA+EA1; //error in ammeter reading in %
+dv = EV+EV1; //error in voltmeter reading in %
+d =dI+dv; //total error in % ranging - to +
+R1 = Rx+d; //Value of Rx is specified as Ω
+R2 = Rx-d; //Value of Rx is specified as Ω
+
+//result
+mprintf("Value of Rx is specified = %3.3f,%3.3f Ω",R1,R2);
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