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Diffstat (limited to '3871/CH11/EX11.1/Ex11_1.sce')
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1 files changed, 39 insertions, 0 deletions
diff --git a/3871/CH11/EX11.1/Ex11_1.sce b/3871/CH11/EX11.1/Ex11_1.sce new file mode 100644 index 000000000..d26f8a1e7 --- /dev/null +++ b/3871/CH11/EX11.1/Ex11_1.sce @@ -0,0 +1,39 @@ +//===========================================================================
+//chapter 11 example 1
+
+clc;clear all;
+
+//variable declartion
+v = 1.0186; //emf of standard cell in volts
+l = 60; //length in cm
+l1 = 75; //length in cm
+l2 = 66; //length in cm
+l3 = 84; //length in cm
+l4 = 40; //length in cm
+l5 = 72; //length in cm
+S = 2; //resistance in Ω
+r = 100; //ratio of volt ratio box
+S1 = 2.5; //resistance in Ω
+I = 0.28; //ammeter reading in ampere
+v1 =1.25; //voltmeter reading in volts
+
+//calculations
+v0 = v/l; //the voltage drop per cm length of potentiometer wire in volt
+V1 = v0*l1; //emf of cell which balances at 75 cm in volts
+V2 = v0*l2; //emf of cell which balances at 66 cm in volts
+I1 = v/S; //current flowing through 2 Ω resistance in A
+V3 = v0*l3; //emf of cell which balances at 84 cm in volts
+v31 = V3*r; //voltage of supply main in volts
+V4 = v0*l4; //emf of cell which balances at 40 cm in volts
+I4 =V4/S1; //current flowing through 2.5 Ω resistance in A
+e = ((I-I4)/I4)*100; //percentage error in the ammeter reading in %
+V5 = v0*l5; //emf of cell which balances at 72 cm in volts
+e1 = ((v1-V5)/V5)*100; //percentage error in the voltmeter reading in %
+
+//result
+mprintf("emf of cell which balances at 75 cm = %3.5f volts",V1);
+mprintf("\ncurrent flowing through 2 Ω resistance = %3.5f A",I1);
+mprintf("\nvoltage of supply main in volts = %3.5f volts",v31);
+mprintf("\npercentage error in the ammeter reading = %3.1d percentage high",e);
+mprintf("\npercentage error in the voltmeter reading = %3.2f percentage ",e1);
+
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