Electrical Measurement and Electronic Instruments | NPTEL | Week 7
Problem Solving and Doubt Clearing Session
Link to Notes - https://drive.google.com/drive/folder...
00:00 - Start
00:32 - Outline of session
01:40 - Operational amplifiers
02:40 - Static input to output characteristics of op-amp
06:50 - Characteristics of op-amp
09:35 - Practical connection of op-amp
14:30 - Negative feedback explanation
22:00 - Virtual short/ground concept in op-amp
29:00 - Difference amplifier derivation
41:42 - Question 1 | Op-amp | mismatched resistors in difference amplifier
50:40 - Question 2 | Op-amp | 2-input amplifier
01:03:06 - Question 3 | Summing amplifier
01:12:10 - Question 4 | inverting amplifier with voltage source
01:15:10 - Question 5 | op-amp with volage sources in circuit | Neglect extra confusing elements connected at the output
01:18:32 - Question 6 | op-amp with volage sources connected to input and output
01:19:45 - Question 7 | op-amp with volage sources connected at both the inputs
01:21:35 - Question 8 | op-amp with volage sources in circuit
01:23:07 - Question 9 | inverting summing amplifier circuit
01:25:40 - Question 10 | op-amp | Clarification regarding polarity using KVL and KCL | KCL for different potentials of the circuit
01:37:40 - When can the virtual short/ ground concept be used?
1:45:15 - Brief recap of the session
Be watchful of the units while solving sums.
Post your queries and doubts.