Electrical Engineering and Instrumentation
- Lecture Notes, Study Materials and Important questions answers

Subject : Electrical Engineering and Instrumentation

DC MACHINES

1. Three Phase Circuits, A Review - Answer (click here)
2. Construction of DC Machines - Answer (click here)
3. Theory of Operation of DC Generators - Answer (click here)
4. Characteristics of DC Generators - Answer (click here)
5. Operating Principle of DC Motors and Torque Equation - Answer (click here)
6. Types of DC Motors and their Characteristics - Answer (click here)
7. Speed Control of DC Motors - Answer (click here)
8. Application of DC Motor - Answer (click here)
9. Solved Problems: Electrical Engineering and Instrumentation - DC Machines - Answer (click here)
10. Important Short Questions and Answers: Electrical Engineering and Instrumentation - DC Machines - Answer (click here)

TRANSFORMER

1. Transformer - Electrical Engineering and Instrumentation - Answer (click here)
2. Single Phase Transformer Construction and Principle of Operation - Answer (click here)
3. EMF Equation of Transformer - Answer (click here)
4. Transformer on No-Load - Answer (click here)
5. Transformer on Load - Answer (click here)
6. Equivalent Circuit of Transformer - Answer (click here)
7. Regulation of Transformer - Answer (click here)
8. Transformer Losses and Efficiency - Answer (click here)
9. All Day Efficiency of Transformer - Answer (click here)
10. Auto Transformer - Answer (click here)
11. Solved Problems: Electrical Engineering and Instrumentation - Transformer - Answer (click here)
12. Important Short Questions and Answers: Electrical Engineering and Instrumentation - Transformer - Answer (click here)

INDUCTION MACHINES AND SYNCHRONOUS MACHINES

1. Types, Construction and Working of 3 Phase Induction Motor - Answer (click here)
2. Equivalent Circuit of Induction Motor - Answer (click here)
3. Construction of Single-Phase Induction Motors - Answer (click here)
4. Types of Single Phase Induction Motors and Double Revolving Field Theory - Answer (click here)
5. Starting Methods of Induction Motor - Answer (click here)
6. Types, Construction and Working Principle of Synchronous Generator or Alternator - Answer (click here)
7. Equation of Induced EMF - Synchronous Generator or Alternator - Answer (click here)
8. Voltage Regulation - Synchronous Generator or Alternator - Answer (click here)
9. Working Principle and Methods of Starting of Synchronous Motors - Answer (click here)
10. V Curves - Answer (click here)
11. Important Short Questions and Answers: Induction Machines and Synchronous Machines - Answer (click here)

BASICS OF MEASUREMENT AND INSTRUMENTATION

1. Transducers - Answer (click here)
2. Classification of Electrical Transducers - Answer (click here)
3. Advantages and Disadvantages of Electrical Transducers - Answer (click here)
4. Characteristics of Transducer - Answer (click here)
5. Transducer Selection Factors - Answer (click here)
6. Resistance Transducers - Answer (click here)
7. Resistance Thermometers: Construction, Advantages, Limitations - Answer (click here)
8. Thermistors: Construction, Advantages, Limitations - Answer (click here)
9. Capacitive Transducers and its Application - Answer (click here)
10. Inductive Transducers - Answer (click here)
11. Digital Transducers - Answer (click here)
12. Static and Dynamic Characteristics of Measurement - Answer (click here)
13. Errors in Measurement - Answer (click here)
14. Strain gauge: Principle of Working, Materials Used, Applications - Answer (click here)
15. Capacitive Transducers - Answer (click here)
16. Piezo electric transducer - Answer (click here)
17. Variable Inductive Transducers: LVDT and RVDT - Answer (click here)
18. Important Short Questions and Answers: Basics of Measurement and Instrumentation - Answer (click here)

ANALOG AND DIGITAL INSTRUMENTS

1. D.C and A.C Bridges - Answer (click here)
2. Wheatstone bridge(Null-type, D.C. bridge) - Answer (click here)
3. Deflection-type D.C. bridge - Answer (click here)
4. Null-type impedance A.C bridge - Answer (click here)
5. Maxwell bridge: Definition, Circuit Diagram, Explanation, Advantages and Disadvantages - Answer (click here)
6. Schering Bridge: Definition, Circuit Diagram, Explanation, Advantages - Answer (click here)
7. Hay Bridge: Definition, Circuit Diagram, Explanation, Advantages and Disadvantages - Answer (click here)
8. Wien bridge: Definition, Circuit Diagram, Explanation, Advantages - Answer (click here)
9. Transformer Ratio Bridges & Self-Balancing Bridges - Answer (click here)
10. Digital Voltmeter (DVM) - Answer (click here)
11. Digital Multi Meter (DMM) - Answer (click here)
12. Storage oscilloscope - Answer (click here)
13. Wheat stone bridge and Kelvin’s double bridge - Answer (click here)
14. Q-Meter - Answer (click here)
15. Important Short Questions and Answers: Analog and Digital Instruments - Answer (click here)