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{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Chapter 6 : Series-Parallel Crcuits"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example No. 6_1 Page No. 194"
]
},
{
"cell_type": "code",
"execution_count": 4,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"The Unknown Resistance Rx = 564.20 ohms\n"
]
}
],
"source": [
"# The Current in M1 reads 0 \u0002A with the standard resistor RS adjusted to 5642 Ohms\u0002. What is the value of the unknown resistor Rx?\n",
"\n",
"# Given data\n",
"\n",
"Rs = 5642.# # Standard Resistor=5642 Ohms\n",
"R1 = 1.*10**3# # Resistor 1=1k Ohms\n",
"R2 = 10.*10**3# # Resistor 2=10k Ohms\n",
"\n",
"Rx = Rs*(R1/R2)#\n",
"print 'The Unknown Resistance Rx = %0.2f ohms'%Rx"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example No. 6_2 Page No. 195"
]
},
{
"cell_type": "code",
"execution_count": 6,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"The Unknown Resistance Rx(max) = 999.90 Ohms\n"
]
}
],
"source": [
"# what is the maximum unknown resistance Rx that can be measured for the ratio arm values shown?\n",
"\n",
"# Given data\n",
"\n",
"Rsmax = 9999.# # Standard Resistor(max)=9999 Ohms\n",
"R1 = 1.*10**3# # Resistor 1=1k Ohms\n",
"R2 = 10.*10**3# # Resistor 2=10k Ohms\n",
"\n",
"Rxmax = Rsmax*(R1/R2)#\n",
"print 'The Unknown Resistance Rx(max) = %0.2f Ohms'%Rxmax"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Example No. 6_3 Page No. 197"
]
},
{
"cell_type": "code",
"execution_count": 11,
"metadata": {
"collapsed": false
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"The Resistance R(AB) = 100.00 ohms\n"
]
}
],
"source": [
"# Assume that the series-parallel circuit in Fig. 6–15a has failed. A technician troubleshooting the circuit has measured the following voltages: V1 = 10.8 V# VAB = 9 V# V4 = 16.2 V. These voltage readings are shown in Fig. 6–15b. Based on the voltmeter readings shown, which component is defective and what type of defect does it have?\n",
"\n",
"# Given data\n",
"\n",
"V1 = 10.8# # Voltage at R1=10.8 Volts\n",
"Vab = 9.0# # Voltage at point (AB)=9 Volts\n",
"V4 = 16.2# # Voltage at R4=16.2 Volts\n",
"R1 = 120.0# # Resistor 1=120 Ohms\n",
"\n",
"\n",
"It = V1/R1#\n",
"Rab = Vab/It#\n",
"print 'The Resistance R(AB) = %0.2f ohms'%Rab\n",
"\n"
]
}
],
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|
