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Diffstat (limited to '644/CH1/EX1.1/p1.sce')
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1 files changed, 11 insertions, 0 deletions
diff --git a/644/CH1/EX1.1/p1.sce b/644/CH1/EX1.1/p1.sce new file mode 100644 index 000000000..b13997dc7 --- /dev/null +++ b/644/CH1/EX1.1/p1.sce @@ -0,0 +1,11 @@ +// Example 1.1 A conductor material has a free- electron density of 10^24 electrons per metre^3.When a voltage is applied, a constant drift velocity of 1.5x10^-2 metre/second is attained by the electrons. If the cross- sectional area of the material is 1 cm^2, calculate the magnitude of the current. Electronic charge is 1.6x10^-19.
+// 1 metre = 100 centimetre
+n = 10^24;// charge density (e/m^3)
+Vd = 1.5*10^-2; //drift velocity attained by electrons(m/s)
+A = 10^-4; // crossectional area of the material (m^2)
+e = 1.6*10^-19; // charge of an electron (coulombs)
+// let i be the magnitude of the current
+// FORMULA : i = nAeVd
+i = prod([n,A,e,Vd]) // calculation
+disp(i,"magnitude of the current(in ampere)= ")
+
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