Electrical Circuits & Instrumentation By Vikram Singh Chahal

Electrical Circuits & Instrumentation By Vikram Singh Chahal
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Electrical Circuits & Instrumentation By Vikram Singh Chahal

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Publisher: Vayu Education
ISBN: 9789383137879
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Contents 1. DC CIRCUITS .............................................................................................. 1-30 1.1
1.2
1.3 1.4
1.5
1.6
1.7 1.8
Elementary Concepts of Electricity ....................................................................................... 1 1.1.1 Applications of Electricity ........................................................................................ 1 1.1.2 Advantages of Electricity .......................................................................................... 1 Basic Terms ........................................................................................................................... 2 1.2.1 Circuit ..................................................................................................................... 2 1.2.2 Parameter ................................................................................................................. 2 1.2.3 Node ........................................................................................................................ 2 1.2.4 Branch...................................................................................................................... 2 1.2.5 Loop ........................................................................................................................ 2 1.2.6 Mesh ........................................................................................................................ 2 1.2.7 Voltage ..................................................................................................................... 2 1.2.8 Current .................................................................................................................... 3 1.2.9 Power ....................................................................................................................... 3 1.2.10 Energy ...................................................................................................................... 3 1.2.11 Potential Difference ................................................................................................. 3 Ohm's Law ........................................................................................................................... 4 The Resistance Parameter ..................................................................................................... 4 1.4.1 Conductance ............................................................................................................ 5 1.4.2 Resistivity ................................................................................................................ 5 1.4.3 Conductivity ............................................................................................................ 5 1.4.4 Temperature Effect on Resistance ............................................................................ 6 Combination of Resistances ................................................................................................. 6 1.5.1 Series Combination of Resistor ............................................................................... 6 1.5.2 Parallel Combination of Resistor ............................................................................. 7 Kirchhoff's Laws ................................................................................................................... 8 1.6.1 Kirchhoff's Current Law KCL ............................................................................... 8 1.6.2 Kirchhoff's Voltage Law KVL ................................................................................ 9 1.6.3 Current Divider Rule ............................................................................................... 9 1.6.4 Voltage Divider Rule .............................................................................................. 10 Delta-Star Transformation ................................................................................................... 11 Star-Delta Transformation ................................................................................................... 12
Exercise ..................................................................................................................... 30
iv