# Electrical Measurement and Electronic Instruments

- Institution: IIT Kharagpur
- Department: Electrical Engineering
- Teacher: Prof. Avishek Chatterjee
- Level: Undergraduate
- Language: English
- Subjects: Engineering
- Source: [NPTEL](https://nptel.ac.in/courses/108105153)
- Licence: [CC BY-NC-SA](https://nptel.ac.in/faq) (Non-commercial use only.)
- Syllabus: [at the source](https://nptel.ac.in/courses/108105153)
- Who can watch: Tweens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

It is a core course for all UG Electrical Engineering students. The content of this course is also aligned to the syllabus for the GATE EE exam. The course has two halves: (1) Electrical Measurements (6 weeks): Working principle and Dynamics of different electro-mechanical instruments, ammeter, voltmeter, ohmmeter, wattmeter, energy meter, measurement of resistance and impedances, bridges and potentiometers, Instrument transformers. (2) Electronic Instruments (6 weeks): Differential amplifier, op-amp circuits, Analog DC and AC instruments, ADC and DAC, Digital instruments, function generator, oscilloscope Find details below

Intended audience: Mainly Electrical Engineering, Instrumentation Engineering Also interested students from Electronics, Physics and similar disciplines

Prerequisites: Basic Principles of Electrical Engineering (Circuit Theory), Basic Digital and Analog Electronics

## Lectures

1. [Lecture 01 : PMMC Instrument (M)](https://invisiblenetwork.ai/learn/nptel/108105153/cfbb94329dee) (YouTube)
2. [Lecture 02 : Electrodynamic Instrument (M)](https://invisiblenetwork.ai/learn/nptel/108105153/1be64db4a7e2) (YouTube)
3. [Lecture 03 : Demonstration of PMMC and Electrodynamic Instrument (Ad)](https://invisiblenetwork.ai/learn/nptel/108105153/ebbc56d9a870) (YouTube)
4. [Lecture 04 : Features of PMMC and Electrodynamic Instrument (M)](https://invisiblenetwork.ai/learn/nptel/108105153/f756120c32ff) (YouTube)
5. [Lecture 05 : Moving Iron Instruments (M)](https://invisiblenetwork.ai/learn/nptel/108105153/ee17d0c768e3) (YouTube)
6. [Lecture 06 : Demonstration of Moving Iron Instruments (Ad)](https://invisiblenetwork.ai/learn/nptel/108105153/861f8eb9b212) (YouTube)
7. [Lecture 07 : Electrostatic Instrument (M)](https://invisiblenetwork.ai/learn/nptel/108105153/5e975df4b153) (YouTube)
8. [Lecture 08 : Derivation of Deflecting Torque in Electrodynamic, Electrostatic & Moving Iron Instrument (Aa)](https://invisiblenetwork.ai/learn/nptel/108105153/7c7949278241) (YouTube)
9. [Lecture 09 : Damping and Eddy Current Damping (M)](https://invisiblenetwork.ai/learn/nptel/108105153/48afa8606ee2) (YouTube)
10. [Lecture 10 : Dynamics of the Moving Coil and Damping (M)](https://invisiblenetwork.ai/learn/nptel/108105153/31d992600527) (YouTube)
11. [Lecture 11 : Dynamics of the Moving Coil and Damping (Contd.) (M)](https://invisiblenetwork.ai/learn/nptel/108105153/9975b0ad3f1a) (YouTube)
12. [Lecture 12 : Ballistic Galvanometer (M)](https://invisiblenetwork.ai/learn/nptel/108105153/fb15980fb565) (YouTube)
13. [Lecture 13 : Ammeter- I](https://invisiblenetwork.ai/learn/nptel/108105153/4e60b2c02949) (YouTube)
14. [Lecture 14 : Ammeter- II](https://invisiblenetwork.ai/learn/nptel/108105153/6ba0068fe5e1) (YouTube)
15. [Lecture 15 : Voltmeter](https://invisiblenetwork.ai/learn/nptel/108105153/e8f6291876e5) (YouTube)
16. [Lecture 16 : Ohmmeters- I](https://invisiblenetwork.ai/learn/nptel/108105153/6c5922d01294) (YouTube)
17. [Lecture 17 : Ohmmeters- II](https://invisiblenetwork.ai/learn/nptel/108105153/f0a01fc92cbf) (YouTube)
18. [Lecture 18 : Rectifier based Voltmeters and Ammeter- I](https://invisiblenetwork.ai/learn/nptel/108105153/a4b08b8fdafe) (YouTube)
19. [Lecture 19 : Rectifier based Voltmeters and Ammeter- II](https://invisiblenetwork.ai/learn/nptel/108105153/d74988d3bf6d) (YouTube)
20. [Lecture 20 : Resistance measurement with a Voltmeter and an Ammeter](https://invisiblenetwork.ai/learn/nptel/108105153/d45448be977b) (YouTube)
21. [Lecture 21 : Four-Terminal Resistance](https://invisiblenetwork.ai/learn/nptel/108105153/7bd3e37b2efe) (YouTube)
22. [Lecture 22 : Problems: Four Terminal Resistance](https://invisiblenetwork.ai/learn/nptel/108105153/95da2274b18e) (YouTube)
23. [Lecture 23 : Error Calculation](https://invisiblenetwork.ai/learn/nptel/108105153/a32e4d4c12b9) (YouTube)
24. [Lecture 24 : Sensitivity, Accuracy, and Resolution of Wheatstone Bridge](https://invisiblenetwork.ai/learn/nptel/108105153/2ddb68e3437f) (YouTube)
25. [Lecture 25 : Kelvin Double Bridge](https://invisiblenetwork.ai/learn/nptel/108105153/711c2a8b31b1) (YouTube)
26. [Lecture 26 : High Resistance Measurement](https://invisiblenetwork.ai/learn/nptel/108105153/06e0cef8e915) (YouTube)
27. [Lecture 27 : Wattmeter Connection and Compensated Wattmeter](https://invisiblenetwork.ai/learn/nptel/108105153/5bdb334474ae) (YouTube)
28. [Lecture 28 : Single Phase Energy Meter](https://invisiblenetwork.ai/learn/nptel/108105153/9151fbd6dd86) (YouTube)
29. [Lecture 29 : Demonstration: 1. Eddy Current Braking 2.Creation of Magnetic Field Without Moving Objects](https://invisiblenetwork.ai/learn/nptel/108105153/262f83233a26) (YouTube)
30. [Lecture 30 : Single Phase Energy Meter (Contd....)](https://invisiblenetwork.ai/learn/nptel/108105153/fa07ae96266f) (YouTube)
31. [Lecture 31 : Connection of Energy Meter, Wattmeter, and Three Phase Supply](https://invisiblenetwork.ai/learn/nptel/108105153/14488c1f3f69) (YouTube)
32. [Lecture 32 : DC Potentiometer](https://invisiblenetwork.ai/learn/nptel/108105153/7d3cd28441bc) (YouTube)
33. [Lecture 33 : AC Potentiometer](https://invisiblenetwork.ai/learn/nptel/108105153/b8048914018e) (YouTube)
34. [Lecture 34 : Polar potentiometer and phase shifter](https://invisiblenetwork.ai/learn/nptel/108105153/31a3ebce0488) (YouTube)
35. [Lecture 35 : Polar potentiometer](https://invisiblenetwork.ai/learn/nptel/108105153/e8ddc29b76cc) (YouTube)
36. [Lecture 36 : Co-ordinate potentiometer](https://invisiblenetwork.ai/learn/nptel/108105153/f9686be7b590) (YouTube)
37. [Lecture 37 : Kelvin-Varley potential divider](https://invisiblenetwork.ai/learn/nptel/108105153/52be3b02ac91) (YouTube)
38. [Lecture 38 : Impedance measurement](https://invisiblenetwork.ai/learn/nptel/108105153/8b0e88564fcc) (YouTube)
39. [Lecture 39 : AC bridges I](https://invisiblenetwork.ai/learn/nptel/108105153/2b07d0799daa) (YouTube)
40. [Lecture 40 : AC bridges II](https://invisiblenetwork.ai/learn/nptel/108105153/a6cf17c63562) (YouTube)
41. [Lecture 41 : AC bridges III](https://invisiblenetwork.ai/learn/nptel/108105153/cefc218314b5) (YouTube)
42. [Lecture 42 : Current transformer and potential transformer](https://invisiblenetwork.ai/learn/nptel/108105153/69d9048a3fc8) (YouTube)
43. [Lecture 43 : Review of transformer and magnetic circuit](https://invisiblenetwork.ai/learn/nptel/108105153/fa36b2d81f72) (YouTube)
44. [Lecture 44 : Errors in Instrument transformer](https://invisiblenetwork.ai/learn/nptel/108105153/bf6ba2b95dbf) (YouTube)
45. [Lecture 45 : Flux density measurement with Ballistic Galvanometer](https://invisiblenetwork.ai/learn/nptel/108105153/a3cbf8f849b2) (YouTube)
46. [Lecture 46 : Flux density measurement with Ballistic Galvanometer (Contd..)](https://invisiblenetwork.ai/learn/nptel/108105153/bc4cc69f51d4) (YouTube)
47. [Lecture 47 : Background: From Flip Flop to Counters - I](https://invisiblenetwork.ai/learn/nptel/108105153/16566140b138) (YouTube)
48. [Lecture 48 : Background: From Flip Flop to Counters - II](https://invisiblenetwork.ai/learn/nptel/108105153/83e569453d81) (YouTube)
49. [Lecture 49 : Background: Operational Amplifiers - I](https://invisiblenetwork.ai/learn/nptel/108105153/998f306ec2e6) (YouTube)
50. [Lecture 50 : Background: Operational Amplifiers - II](https://invisiblenetwork.ai/learn/nptel/108105153/a61b02f40125) (YouTube)
51. [Lecture 51 : Background: Operational Amplifiers - III](https://invisiblenetwork.ai/learn/nptel/108105153/29f4431f6486) (YouTube)
52. [Lecture 52 : Background: Operational Amplifiers - IV](https://invisiblenetwork.ai/learn/nptel/108105153/646813a58083) (YouTube)
53. [Lecture 53 : Inverting amplifier versus Schmitt Trigger](https://invisiblenetwork.ai/learn/nptel/108105153/610fb8f92933) (YouTube)
54. [Lecture 54 : Non-inverting amplifier versus Schmitt Trigger](https://invisiblenetwork.ai/learn/nptel/108105153/ff0d476b2ef0) (YouTube)
55. [Lecture 55 : Difference amplifier - I](https://invisiblenetwork.ai/learn/nptel/108105153/16211829bb3e) (YouTube)
56. [Lecture 56 : Difference amplifier - II](https://invisiblenetwork.ai/learn/nptel/108105153/8b13ee9fbe07) (YouTube)
57. [Lecture 57 : Difference amplifier - III](https://invisiblenetwork.ai/learn/nptel/108105153/8bad9145f2fe) (YouTube)
58. [Lecture 58 : Digital frequency meter](https://invisiblenetwork.ai/learn/nptel/108105153/ce770e4f7caa) (YouTube)
59. [Lecture 59 : Digital frequency meter & Schmitt Trigger](https://invisiblenetwork.ai/learn/nptel/108105153/08d4ef08c5ba) (YouTube)
60. [Lecture 60 : Schmitt Trigger](https://invisiblenetwork.ai/learn/nptel/108105153/712c596323c5) (YouTube)
61. [Lecture 61 : Schmitt Trigger](https://invisiblenetwork.ai/learn/nptel/108105153/b74079a9794d) (YouTube)
62. [Lecture 62 : Digital frequency meter](https://invisiblenetwork.ai/learn/nptel/108105153/2cffe8519364) (YouTube)
63. [Lecture 63 : Linear ramp type digital voltmeter](https://invisiblenetwork.ai/learn/nptel/108105153/d56c518f476d) (YouTube)
64. [Lecture 64 : Dual slope digital voltmeter - I](https://invisiblenetwork.ai/learn/nptel/108105153/13e2920cf0f9) (YouTube)
65. [Lecture 65 : Dual slope digital voltmeter - II](https://invisiblenetwork.ai/learn/nptel/108105153/270719cd8701) (YouTube)
66. [Lecture 66 : Dual slope digital voltmeter and Integrator circuit](https://invisiblenetwork.ai/learn/nptel/108105153/1cf4561ee643) (YouTube)
67. [Lecture 67 : Digital ramp type voltmeter](https://invisiblenetwork.ai/learn/nptel/108105153/d72ff0d566ff) (YouTube)
68. [Lecture 68 : Digital ramp type voltmeter and Successive approximation type voltmeter](https://invisiblenetwork.ai/learn/nptel/108105153/70b1566b620e) (YouTube)
69. [Lecture 69 : ADC and DAC - I](https://invisiblenetwork.ai/learn/nptel/108105153/69366f16b77a) (YouTube)
70. [Lecture 70 : ADC and DAC - II](https://invisiblenetwork.ai/learn/nptel/108105153/274e6d2c0199) (YouTube)
71. [Lecture 71 : Why we need electronic Instruments](https://invisiblenetwork.ai/learn/nptel/108105153/990135044dcb) (YouTube)
72. [Lecture 72 : Instruments with op-amp based amplifiers - I](https://invisiblenetwork.ai/learn/nptel/108105153/7adda5a05835) (YouTube)
73. [Lecture 73 : Instruments with op-amp based amplifiers - II](https://invisiblenetwork.ai/learn/nptel/108105153/801469578fe5) (YouTube)
74. [Lecture 74 : Instruments with op-amp based amplifiers - III](https://invisiblenetwork.ai/learn/nptel/108105153/9ea56ba8c825) (YouTube)
75. [Lecture 75 : Instrumentation Amplifier](https://invisiblenetwork.ai/learn/nptel/108105153/d53f586291cd) (YouTube)
76. [Lecture 76 : Function generator](https://invisiblenetwork.ai/learn/nptel/108105153/de78c82885a8) (YouTube)
77. [Lecture 77 : 555-Timer circuit](https://invisiblenetwork.ai/learn/nptel/108105153/07f0a16cf17a) (YouTube)
78. [Lecture 78 : Astable and monostable oscillator circuits](https://invisiblenetwork.ai/learn/nptel/108105153/5b5200ac8fb5) (YouTube)
79. [Lecture 79 : Pulse generator](https://invisiblenetwork.ai/learn/nptel/108105153/7ff5cf88200d) (YouTube)
80. [Lecture 80 : Oscilloscope - I](https://invisiblenetwork.ai/learn/nptel/108105153/0a066822866f) (YouTube)
81. [Lecture 81 : Oscilloscope - II](https://invisiblenetwork.ai/learn/nptel/108105153/16e397dd7bda) (YouTube)
82. [Lecture 82 : Emitter follower voltmeter](https://invisiblenetwork.ai/learn/nptel/108105153/562777ab515e) (YouTube)
83. [Lecture 83 : Linear ohmmeter](https://invisiblenetwork.ai/learn/nptel/108105153/17746df428f7) (YouTube)
84. [Lecture 84 : Ramp generator](https://invisiblenetwork.ai/learn/nptel/108105153/55afa30cec7d) (YouTube)