Course Content
Module 1 (Very Important questions with solutions)
This video content will help you score 80+ without any effort. This course is specially designed for last moment exam preparation. This includes previous year repeated questions, model paper questions and very important questions prepared by expert instructors.
0/12
Introduction
00:55
1.What is a regulated power supply? With neat block diagram, explain the working of DC power supply. Also mention the principal components used in each block.
05:31
2.What is a rectifier? What are the different types of rectifiers?
03:13
3.With appropriate circuit diagram, explain the working of half-wave rectifier. (both with and without capacitor filter)
04:18
4.With appropriate circuit diagram, explain the working of two diode full-wave rectifier. Draw the input and output waveforms. (both with and without capacitor filter)
03:46
5.With neat circuit diagram and waveforms, explain the working of a full wave bridge rectifier. (both with and without capacitor filter)
03:16
6.With circuit diagram explain the voltage multiplier (i.e., Voltage Doubler, Voltage Tripler).
04:25
7.What is voltage regulator? With neat circuit diagram, explain the operation of a voltage regulator using Zener diode.
02:16
8.What is an amplifier? Explain different types of amplifier.
02:27
9.Describe the terms: Gain, Input resistance, Output resistance, Phase shift, Bandwidth of amplifier.
03:26
10.With a neat block diagram, derive the expression for overall gain of a negative feedback amplifier.
03:25
11.What are multi-stage amplifiers? Write different methods used for interstage coupling.
02:34
Module 2 (Very Important questions with solutions)
This video content will help you score 80+ without any effort. This course is specially designed for last moment exam preparation. This includes previous year repeated questions, model paper questions and very important questions prepared by expert instructors.
0/13
Introduction
00:37
1. What is an oscillator? Also mention the conditions for oscillation (Barkhausens‟ criteria).
03:37
2. Explain the concept of positive feedback with a neat diagram. Show how positive feedback increases the overall gain of an amplifier.
03:34
3. Explain the operation of three-stage ladder RC network oscillator with neat circuit diagram.
02:04
4. With a neat circuit diagram, explain the working of Wien bridge oscillator using op-amp.
03:03
5. With a neat circuit diagram and waveforms, describe the operation of crystal controlled oscillator.
03:44
6. What are multivibrators? Mention the different types of it.
02:02
7. With suitable circuit diagram, explain single stage astable multivibrator using operational amplifier.
03:25
8. What is an operational amplifier? Sketch the circuit symbol for an operational amplifier. Label each of the connections.
01:57
9. Explain the various parameters of operational amplifier.
04:38
10. List and explain the ideal and real characteristics of op-amp.
01:01
11. Define the following with respect to operational amplifiers and write their typical values: i) Open loop voltage gain ii) Input offset voltage iii) Full power bandwidth and iv) Slew rate
03:29
12. With a neat circuit diagram and waveforms, explain the following op-amp circuits:
10:30
Module 3 (Very Important questions with solutions)
This video content will help you score 80+ without any effort. This course is specially designed for last moment exam preparation. This includes previous year repeated questions, model paper questions and very important questions prepared by expert instructors.
0/1
Complete Module 3 explained with the Concepts and Problems.
24:57
Module 4 (Very Important questions with solutions)
This video content will help you score 80+ without any effort. This course is specially designed for last moment exam preparation. This includes previous year repeated questions, model paper questions and very important questions prepared by expert instructors.
0/9
1. What is an embedded system? Compare embedded systems and general computer systems.
10:18
2. Write a note on classification of embedded systems. Also provide applications of embedded systems. Differentiate between a general purpose computing system and embedded system.
08:15
3. Compare microprocessors and microcontrollers.
01:25
4. Bring out the differences between RISC and CISC, Harvard & Von-Neumann.
02:37
5. Mention the classification of embedded systems based on complexity and performance.
00:57
6. Using suitable diagram, explain instrumentation and control systems.
02:16
7. Write a note on transducers. Explain one type of sensor and actuator with its operation.
01:44
8. Explain the operation of an LED with neat diagram. Mention its applications.
01:09
9. Explain the working of a 7-segment LED with necessary diagrams.
01:13
Module 5 (Very Important questions with solutions)
This video content will help you score 80+ without any effort. This course is specially designed for last moment exam preparation. This includes previous year repeated questions, model paper questions and very important questions prepared by expert instructors.
0/9
Draw the block diagram of basic communication system and briefly explain the individual blocks.
05:00
Explain the types of communication system.
03:58
Define noise. Derive the expression for Signal to Noise Ratio (SNR) in decibels (dB).
03:08
Write a note on different types of modulation and briefly describe each in detail.
05:05
Write a note on digital modulation techniques.
02:56
List out the advantages of digital communication over analog communication.
01:09
Explain with a neat diagram, the concept of radio wave propagation and its different types.
01:42
Present the architecture of a wireless communication transmitter and its modulation scheme QPSK with waveforms and constellation diagrams.
01:56
Discuss the various multiple access techniques used in cellular network.
01:44
All 5 modules Study Material
0/5
Module 1
00:00
Module 2
00:00
Module 3
00:00
Module 4
00:00
Module 5
00:00
Introduction to Electronics and Communication | All 5 MODULES | Very Important questions with solutions EXPLAINED | BESCK104C/204C | Last moment exam preparation
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