diff options
Diffstat (limited to '3754/CH3')
35 files changed, 551 insertions, 0 deletions
diff --git a/3754/CH3/EX3.1/3_1.sce b/3754/CH3/EX3.1/3_1.sce new file mode 100644 index 000000000..92d5e3827 --- /dev/null +++ b/3754/CH3/EX3.1/3_1.sce @@ -0,0 +1,12 @@ +clear//
+
+//Variables
+
+W = 75.0 //Work done (in Joules)
+Q = 50.0 //Charge produced (in Coulomb)
+
+//Calculation
+V = W/Q //Voltage between battery terminals (in Volts)
+
+//Result
+printf("\n Terminal voltage of a battery is %0.3f V.",V)
diff --git a/3754/CH3/EX3.10/3_10.sce b/3754/CH3/EX3.10/3_10.sce new file mode 100644 index 000000000..a7903ea9a --- /dev/null +++ b/3754/CH3/EX3.10/3_10.sce @@ -0,0 +1,16 @@ +clear//
+
+//Variables
+
+p = 1.7 * 10**-8 //Resistivity (in ohm-meter)
+l = 2 * 150 //Length (in meter)
+R = 0.722 //Resistance (in ohm)
+
+//Calculation
+
+A = p*l/R //Area of cross section (in metersquare)
+d = (A * 4 / %pi)**0.5 //diameter of wire (in meter)
+
+//Result
+
+printf("\n Diameter of the wire is : %0.0f mm.",d * 10**3)
diff --git a/3754/CH3/EX3.11/3_11.sce b/3754/CH3/EX3.11/3_11.sce new file mode 100644 index 000000000..ccc4b00e9 --- /dev/null +++ b/3754/CH3/EX3.11/3_11.sce @@ -0,0 +1,18 @@ +clear//
+
+//Variables
+
+lc = 200 //Length of copper wire (in meter)
+Rc = 1.5 //Resistance of Copper wire(in ohm)
+pc = 1.7 * 10**-8 //Resistivity of (in ohm-meter)
+ls = 10 //Length of silver wire (in meter)
+ps = 1.6 * 10**-8 //Resistivity of Silver (in ohm-meter)
+
+//Calculation
+
+A = pc * lc / Rc //Area of cross section (in metersquare)
+Rs = ps * ls / A //Resistance of silver wire(in ohm)
+
+//Result
+
+printf("\n The resistance of silver wire is %0.2f ohm.",Rs)
diff --git a/3754/CH3/EX3.12/3_12.sce b/3754/CH3/EX3.12/3_12.sce new file mode 100644 index 000000000..28c946161 --- /dev/null +++ b/3754/CH3/EX3.12/3_12.sce @@ -0,0 +1,17 @@ +clear//
+
+//Variables
+
+T1 = 800 //Temperature (in celsius degeree)
+T2 = 2250 //Temperature (in celsius degeree)
+R20 = 3.49 //Resistance at 20 degree celsius (in ohm)
+alpha20 = 4.5 * 10**-3 //Temperature coefficient at 20 degree celsius (in per degree Celsius)
+
+//Calculation
+
+R800 = R20 * (1 + alpha20*(T1 - 20)) //Resistance at 800 degree celsius (in ohm)
+R2250 = R20 * (1 + alpha20*(T2-20)) //Resistance at 2250 degree celsius (in ohm)
+
+//Result
+
+printf("\n Resistance at 800 degree celsius is %0.1f ohm.\n\nResistance at 2250 degree celsius is %0.3f",R800,R2250)
diff --git a/3754/CH3/EX3.13/3_13.sce b/3754/CH3/EX3.13/3_13.sce new file mode 100644 index 000000000..07af41cae --- /dev/null +++ b/3754/CH3/EX3.13/3_13.sce @@ -0,0 +1,17 @@ +clear//
+
+//Variables
+
+T1 = 20 //Temperature (in degree celsius)
+R1 = 10000 //Resistance at 20 degree celsius (in ohm)
+T2 = -25 //Temperature (in degree celsius)
+alpha = 0.0039 //Temperature coefficient at 20 degree celsius (in per degree Celsius)
+
+//Calculation
+
+R80 = R1*(1 + alpha*(80 - T1)) //Resistance at 80 degree celsius (in ohm)
+RT2 = R1*(1 + alpha*(-25 - T1)) //Resistance at -25 degree celsius (in ohm)
+
+//Result
+
+printf("\n Resistance at 80 degree celsius is %0.1f kilo-ohm.\nResistance at -25 degree celsius is %0.1f kilo-ohm.",R80*10**-3,RT2*10**-3)
diff --git a/3754/CH3/EX3.14/3_14.sce b/3754/CH3/EX3.14/3_14.sce new file mode 100644 index 000000000..356eed480 --- /dev/null +++ b/3754/CH3/EX3.14/3_14.sce @@ -0,0 +1,17 @@ +clear//
+
+//Variables
+
+p = 14 * 10**-8 //Resistivity of gold (in ohm-meter)
+alpha = 5.8 * 10**-4 //Temperature coefficient (in per degree celsius)
+l = 3 //Length (in meter)
+d = 13 * 10**-6 //diameter of wire
+
+//Calculation
+
+A = %pi * d * d / 4 //Area of cross-section (in metersquare)
+R = p * l /A //Resistance of wire at 20 degree celsius(in ohm)
+R1 = R*(1 + alpha*(200-20))
+//Result
+
+printf("\n Resistance of wire at 200 degree celsius is %0.1f ohm.",R1)
diff --git a/3754/CH3/EX3.15/3_15.sce b/3754/CH3/EX3.15/3_15.sce new file mode 100644 index 000000000..dcd0a7941 --- /dev/null +++ b/3754/CH3/EX3.15/3_15.sce @@ -0,0 +1,13 @@ +clear//
+
+//Variables
+
+R = 10*10**-3 //Resistance (in ohm)
+
+//Calculation
+
+G = 1/R //Conductance (in siemens)
+
+//Result
+
+printf("\n The conductance of gold conductor is %0.3f siemens.",G)
diff --git a/3754/CH3/EX3.16/3_16.sce b/3754/CH3/EX3.16/3_16.sce new file mode 100644 index 000000000..f691eea0f --- /dev/null +++ b/3754/CH3/EX3.16/3_16.sce @@ -0,0 +1,13 @@ +clear//
+
+//Variables
+
+R = 10.0*10**3 //Resistance (in ohm)
+
+//Calculation
+
+G = 1/R //Conductance (in siemens)
+
+//Result
+
+printf("\n The conductance of gold conductor is %0.3f siemens.",G)
diff --git a/3754/CH3/EX3.17/3_17.sce b/3754/CH3/EX3.17/3_17.sce new file mode 100644 index 000000000..7b2660061 --- /dev/null +++ b/3754/CH3/EX3.17/3_17.sce @@ -0,0 +1,13 @@ +clear//
+
+//Variables
+
+G = 50*10**-6 //Conductance (in siemens)
+
+//Calculation
+
+R = 1/G //Resistance (in ohm)
+
+//Result
+
+printf("\n The Resistance is %0.3f kilo-ohm.",R * 10**-3)
diff --git a/3754/CH3/EX3.18/3_18.sce b/3754/CH3/EX3.18/3_18.sce new file mode 100644 index 000000000..b5bb4bead --- /dev/null +++ b/3754/CH3/EX3.18/3_18.sce @@ -0,0 +1,15 @@ +clear//
+
+//Variables
+
+V = 18 //Voltage (in volts)
+I = 60*10**-6 //current (in Ampere)
+
+//Calculation
+
+R = V/I //Resistance (in ohm)
+G = 1/R //Conductance (in siemens)
+
+//Result
+
+printf("\n The conductance is %0.2f micro-siemens.",G * 10**6)
diff --git a/3754/CH3/EX3.19/3_19.sce b/3754/CH3/EX3.19/3_19.sce new file mode 100644 index 000000000..c609968bf --- /dev/null +++ b/3754/CH3/EX3.19/3_19.sce @@ -0,0 +1,14 @@ +clear//
+
+//Variables
+
+R = 600.00 //Resistance (in ohm)
+V = 230.00 //Voltage (in volts)
+
+//Calculation
+
+I = V/R //Current (in Ampere)
+
+//Result
+
+printf("\n Current in the power line is %0.3f A.",I)
diff --git a/3754/CH3/EX3.2/3_2.sce b/3754/CH3/EX3.2/3_2.sce new file mode 100644 index 000000000..4675465f7 --- /dev/null +++ b/3754/CH3/EX3.2/3_2.sce @@ -0,0 +1,12 @@ +clear//
+
+//Variables
+
+V = 1.5 //Voltage (in Volts)
+E =7.5 //Energy produced (in Joules)
+
+//Calculation
+Q = E/V //Charge separated ( in Coulomb )
+
+//Result
+printf("\n The Amount of charge separated by the battery is %0.3f C.",Q)
diff --git a/3754/CH3/EX3.20/3_20.sce b/3754/CH3/EX3.20/3_20.sce new file mode 100644 index 000000000..9840692d5 --- /dev/null +++ b/3754/CH3/EX3.20/3_20.sce @@ -0,0 +1,14 @@ +clear//
+
+//Variables
+
+R = 8 //Resistance (in ohm)
+I = 2.5 //Current (in Ampere)
+
+//Calculation
+
+V = I*R //Voltage (in volts)
+
+//Result
+
+printf("\n The maximum safe voltage is %0.3f volts.",V)
diff --git a/3754/CH3/EX3.21/3_21.sce b/3754/CH3/EX3.21/3_21.sce new file mode 100644 index 000000000..250817144 --- /dev/null +++ b/3754/CH3/EX3.21/3_21.sce @@ -0,0 +1,14 @@ +clear//
+
+//Variables
+
+R = 1.5 * 10**3 //Resistance (in ohm)
+I = 16 * 10**-3 //Current (in Ampere)
+
+//Calculation
+
+V = I*R //Voltage (in volts)
+
+//Result
+
+printf("\n The voltage that must be applied to the relay coil to energize it is %0.3f volts." ,V)
diff --git a/3754/CH3/EX3.22/3_22.sce b/3754/CH3/EX3.22/3_22.sce new file mode 100644 index 000000000..e32053f52 --- /dev/null +++ b/3754/CH3/EX3.22/3_22.sce @@ -0,0 +1,14 @@ +clear//
+
+//Variables
+
+I = 20 * 10**-3 //Current per segment (in Ampere)
+V = 5 //Voltage (in volts)
+
+//Calculation
+
+R = V/I //Resistance (in ohm)
+
+//Result
+
+printf("\n Resistance that must be inserted into the circuit of each segment is %0.3f ohm.",R)
diff --git a/3754/CH3/EX3.23/3_23.sce b/3754/CH3/EX3.23/3_23.sce new file mode 100644 index 000000000..73903f1d6 --- /dev/null +++ b/3754/CH3/EX3.23/3_23.sce @@ -0,0 +1,14 @@ +clear//
+
+//Variables
+
+V = 7 * 2 //Voltage : 7 div * (2 V/div) (in volts)
+I = 5 * 5 * 10**-3 //Current : 5 div * (5 * 10**-3) (in Ampere)
+
+//Calculation
+
+R = V/I //Resistance (in ohm)
+
+//Result
+
+printf("\n The value of resistance is %0.3f ohm.",R)
diff --git a/3754/CH3/EX3.24/3_24.sce b/3754/CH3/EX3.24/3_24.sce new file mode 100644 index 000000000..d45f9b861 --- /dev/null +++ b/3754/CH3/EX3.24/3_24.sce @@ -0,0 +1,14 @@ +clear//
+
+//Variables
+
+W = 64000 //Heat produced (in Joules)
+t = 40 //time (in seconds)
+
+//Calculation
+
+P = W/t //Rate at which electrical energy is converted into heat energy (in watt)
+
+//Result
+
+printf("\n The rate at which electrical energy is converted into heat energy is : %0.3f W.",P)
diff --git a/3754/CH3/EX3.25/3_25.sce b/3754/CH3/EX3.25/3_25.sce new file mode 100644 index 000000000..358fe7cc9 --- /dev/null +++ b/3754/CH3/EX3.25/3_25.sce @@ -0,0 +1,14 @@ +clear//
+
+//Variables
+
+I = 5 //Current (in Ampere)
+V = 230 //Voltage (in volts)
+
+//Calculation
+
+P = V*I //Power consumed (in watt)
+
+//Result
+
+printf("\n The power consumed by the toaster is: %0.3f watt.",P)
diff --git a/3754/CH3/EX3.26/3_26.sce b/3754/CH3/EX3.26/3_26.sce new file mode 100644 index 000000000..7ee91e2c4 --- /dev/null +++ b/3754/CH3/EX3.26/3_26.sce @@ -0,0 +1,14 @@ +clear//
+
+//Variables
+
+P = 36.0 //Power consumed (in watt)
+V = 230.0 //Voltage (in volts)
+
+//Calculation
+
+I = P/V //Current (in Ampere)
+
+//Result
+
+printf("\n Current through filament is %0.3f A.",I)
diff --git a/3754/CH3/EX3.27/3_27.sce b/3754/CH3/EX3.27/3_27.sce new file mode 100644 index 000000000..c31e42c82 --- /dev/null +++ b/3754/CH3/EX3.27/3_27.sce @@ -0,0 +1,14 @@ +clear//
+
+//Variables
+
+P = 150 *12/1000.0 //Power consumed by 12 bulbs (in kilowatt)
+t = 10.0 //Time (in hours)
+
+//Calculation
+
+W = P * t //Energy used (in kWh)
+
+//Result
+
+printf("\n The energy used is %0.3f kWh.",W)
diff --git a/3754/CH3/EX3.28/3_28.sce b/3754/CH3/EX3.28/3_28.sce new file mode 100644 index 000000000..ab36212b7 --- /dev/null +++ b/3754/CH3/EX3.28/3_28.sce @@ -0,0 +1,16 @@ +clear//
+
+//Variables
+
+Ps = 500.0 //Power of stereo system (in watt)
+Pa = 2400.0 //Power of air conditioner (in watt)
+t = 3 //time (in hours)
+
+//Calculation
+
+P = (Ps + Pa)/1000 //Total power consumed (in kilowatt)
+W = P * t //Energy used (in kilowatthour)
+
+//Result
+
+printf("\n The energy used is %0.3f kWh.",W)
diff --git a/3754/CH3/EX3.29/3_29.sce b/3754/CH3/EX3.29/3_29.sce new file mode 100644 index 000000000..97af82a57 --- /dev/null +++ b/3754/CH3/EX3.29/3_29.sce @@ -0,0 +1,14 @@ +clear//
+
+//Variables
+
+V = 230.0 //Voltage (in volts)
+P = 180.0 //Power (in watt)
+
+//Calculation
+
+I = P/V //Current (in Ampere)
+
+//Result
+
+printf("\n The input current is %0.3f A.",I)
diff --git a/3754/CH3/EX3.3/3_3.sce b/3754/CH3/EX3.3/3_3.sce new file mode 100644 index 000000000..d390f43ad --- /dev/null +++ b/3754/CH3/EX3.3/3_3.sce @@ -0,0 +1,15 @@ +clear//
+
+//Variables
+
+Q = 7.5 //Charge (in Coulomb)
+t = 0.5 //Time (in minute)
+
+//Calculation
+
+t = 0.5 * 60 //Time (in seconds)
+I= Q/t //Current (in Ampere)
+
+//Result
+
+printf("\n The current in the element is %0.3f A.",I)
diff --git a/3754/CH3/EX3.30/3_30.sce b/3754/CH3/EX3.30/3_30.sce new file mode 100644 index 000000000..959b9e577 --- /dev/null +++ b/3754/CH3/EX3.30/3_30.sce @@ -0,0 +1,17 @@ +clear//
+
+//Variables
+
+V = 24.0 //Voltage (in volts)
+I = 2.0 //Current (in Ampere)
+Pb = 0.5 //Power rating of each light bulb (in watt)
+
+//Calculation
+
+P = V * I //Maximum power (in watt)
+P80 = P * 0.8 //80percentageof power rating (in watt)
+n = (P80/Pb) //Number of bulbs required
+
+//Result
+
+printf("\n The number of bulbs required is %0.3f ." ,n)
diff --git a/3754/CH3/EX3.31/3_31.sce b/3754/CH3/EX3.31/3_31.sce new file mode 100644 index 000000000..7121fac85 --- /dev/null +++ b/3754/CH3/EX3.31/3_31.sce @@ -0,0 +1,14 @@ +clear//
+
+//Variables
+
+R = 750.0 //Resistance (in ohm)
+I = 32.0 //Current (in milliAmpere)
+
+//Calculation
+
+P = I**2 * 10**-6 * R //Power (in watt)
+
+//Result
+
+printf("\n Power consumed by relay coil is %0.3f mW.",P*1000)
diff --git a/3754/CH3/EX3.32/3_32.sce b/3754/CH3/EX3.32/3_32.sce new file mode 100644 index 000000000..253b5ced0 --- /dev/null +++ b/3754/CH3/EX3.32/3_32.sce @@ -0,0 +1,14 @@ +clear//
+
+//Variables
+
+R = 36.0 //Resistance (in ohm)
+V = 230.0 //Voltage (in volts)
+
+//Calculation
+
+P = V**2/R //Power (in watt)
+
+//Result
+
+printf("\n Power rating is %0.3f kW.",P/1000)
diff --git a/3754/CH3/EX3.33/3_33.sce b/3754/CH3/EX3.33/3_33.sce new file mode 100644 index 000000000..5e574355e --- /dev/null +++ b/3754/CH3/EX3.33/3_33.sce @@ -0,0 +1,14 @@ +clear//
+
+//Variables
+
+P = 36 //Power (in watt)
+V = 230.0 //Voltage (in volts)
+
+//Calculation
+
+R = V**2/P //Resistance (in ohm)
+
+//Result
+
+printf("\n Resistance of the heating element is %0.0f ohm.",R)
diff --git a/3754/CH3/EX3.34/3_34.sce b/3754/CH3/EX3.34/3_34.sce new file mode 100644 index 000000000..2a595b894 --- /dev/null +++ b/3754/CH3/EX3.34/3_34.sce @@ -0,0 +1,27 @@ +clear//
+
+//Case a :
+
+//Variables
+
+R = 8.0 //Resistance (in ohm)
+P1 = 60.0 //Power (in watt)
+
+//Calculation
+
+I1 = (P1/R)**0.5 //Current (in Ampere)
+
+//Case b :
+
+//Variables
+
+R = 8.0 //Resistance (in ohm)
+P2 = 120.0 //Power (in watt)
+
+//Calculation
+
+I2 = (P2/R)**0.5 //Current (in Ampere)
+
+//Result
+
+printf("\n Maximum new current is %0.2f A.\nMaximum new current is %0.2f A.",I1,I2)
diff --git a/3754/CH3/EX3.36/3_36.sce b/3754/CH3/EX3.36/3_36.sce new file mode 100644 index 000000000..b2b372b16 --- /dev/null +++ b/3754/CH3/EX3.36/3_36.sce @@ -0,0 +1,17 @@ +clear//
+
+//Variables
+
+V = 6.0 //voltage (in volts)
+C = 2.0 //Capacity of battery (in Ampere-hour)
+P = 1.2 //Power rating (in watt)
+
+//Calculation
+
+R = V**2 / P //Resistance (in ohm)
+I = V/R //Current (in Ampere)
+t = C/I //time (in hour)
+
+//Result
+
+printf("\n Battery will last for %0.3f hours.",t)
diff --git a/3754/CH3/EX3.4/3_4.sce b/3754/CH3/EX3.4/3_4.sce new file mode 100644 index 000000000..0d8ee0cdd --- /dev/null +++ b/3754/CH3/EX3.4/3_4.sce @@ -0,0 +1,12 @@ +clear//
+
+//Variables
+
+I = 5 //Current (in Ampere)
+Q = 4 * 10**-3 //Charge (in Coulomb)
+
+//Calculation
+t = Q/I //time (in seconds)
+
+//Result
+printf("\n Time in which the 4 mC of charge flows through this element is %0.3f ms.",t * 10**3)
diff --git a/3754/CH3/EX3.5/3_5.sce b/3754/CH3/EX3.5/3_5.sce new file mode 100644 index 000000000..893c62872 --- /dev/null +++ b/3754/CH3/EX3.5/3_5.sce @@ -0,0 +1,16 @@ +clear//
+
+//Variables
+
+I = 0.3 //Current (in Ampere)
+W = 9.45 //Heat (in Joules)
+t = 5 //Time (in seconds)
+
+//Calculation
+
+Q = I * t
+V = W/Q //Voltage (in Volts)
+
+//Result
+
+printf("\n The voltage across filament is %0.3f volts.",V)
diff --git a/3754/CH3/EX3.6/3_6.sce b/3754/CH3/EX3.6/3_6.sce new file mode 100644 index 000000000..9bcef420c --- /dev/null +++ b/3754/CH3/EX3.6/3_6.sce @@ -0,0 +1,17 @@ +clear//
+
+//Variables
+
+p = 2.83 * 10**-8 //Resistivity (in ohm-meter)
+w = 0.5 //width (in meter)
+t = 2 * 10**-3 //thickness (in meter)
+l = 1 //length (in meter)
+
+//Calculation
+
+A = w * t //Area of cross-section (in metersquare)
+R = p*l/A //Resistance (in ohm)
+
+//Result
+
+printf("\n The resistance between left end and right end is %0.3f micro-ohm.",R * 10**6)
diff --git a/3754/CH3/EX3.7/3_7.sce b/3754/CH3/EX3.7/3_7.sce new file mode 100644 index 000000000..d0e98d961 --- /dev/null +++ b/3754/CH3/EX3.7/3_7.sce @@ -0,0 +1,36 @@ +clear//
+
+//Case 1:
+
+//Variables
+
+w = 0.01 //width (in meter)
+h = 0.01 //height (in meter)
+l = 0.50 //length (in meter)
+p = 3.5 * 10**-5 //Resistivity (in ohm-meter)
+
+//Calculation
+
+A = w * h //Area of cross section (in metersquare)
+R = p*l/A //Resistance (in ohm)
+
+//Result 1:
+
+printf("\n Resistance in case 1 is : %0.3f ohm.",R)
+
+//Case 2:
+
+//Variables
+
+w = 0.50 //width (in meter)
+h = 0.01 //height (in meter)
+l = 0.01 //length (in meter)
+
+//Calculation
+
+A = w * h //Area of cross section (in metersquare)
+R = p*l/A //Resistance (in ohm-meter)
+
+//Result
+
+printf("\n Resistance in case 2 is: %0.3f ohm.",R)
diff --git a/3754/CH3/EX3.8/3_8.sce b/3754/CH3/EX3.8/3_8.sce new file mode 100644 index 000000000..061bad0e0 --- /dev/null +++ b/3754/CH3/EX3.8/3_8.sce @@ -0,0 +1,17 @@ +clear//
+
+//Variables
+
+l = 120 //length of wire (in meter)
+d = 0.25 * 10**-2 //Diameter of cross section (in meter)
+p = 1.7 * 10**-8 //Resistivity (in ohm-meter)
+
+//Calculation
+
+r = d/2 //Radius of cross section (in meter)
+A = %pi *r*r //Area of cross section (in metersquare)
+R = p*l/A //Resistance (in ohm)
+
+//Result
+
+printf("\n Resistance of the wire is %0.3f ohm.",R)
diff --git a/3754/CH3/EX3.9/3_9.sce b/3754/CH3/EX3.9/3_9.sce new file mode 100644 index 000000000..d2f27f5d0 --- /dev/null +++ b/3754/CH3/EX3.9/3_9.sce @@ -0,0 +1,16 @@ +clear//
+
+//Variables
+
+p = 2.8 * 10**-8 //Resistivity (in ohm-meter)
+d = 0.15 * 10**-2 //Diameter of wire (in meter)
+R = 10 //Resistance (in ohm)
+
+//Calculation
+
+A = %pi *d*d/4 //Area of cross section (in metersquare)
+l = R*A/p //Length of wire (in meter)
+
+//Result
+
+printf("\n Length of the wire is %0.0f meter.",l)
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