Communication Systems Class 12 Physics One Shot [ Concepts + PYQs ] AP & TS EAPCET 2025

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0:00:00 Introduction
0:00:14 - Introduction to the Session
0:01:20 - JEE Career Counseling Session
0:03:40 - Introduction to Communication Systems
0:05:56 - Communication Systems Block Diagram
0:08:59 - Point-to-Point vs. Broadcast Communication
0:10:01 - Analog and Digital Message Signals
0:11:30 - Transducers and Transmitters
0:13:09 - Noise in Communication Systems
0:14:07 - Receiver and Signal Extraction
0:14:19 - Attenuation: Loss of Signal Strength
0:15:06 - Amplification and Range
0:15:57 - Bandwidth and Modulation Introduction
0:16:30 - Importance of Modulation
0:16:42 - Low Frequency Message Signals
0:18:35 - Modulation Explained
0:19:44 - Demodulation
0:20:00 - Bandwidth of Signals
0:20:46 - Types of Propagation
0:24:54 - Antennas in Communication
0:30:17 - Modulation Types
0:31:51 - Amplitude Modulation
0:38:08 - FM Radio and LCR Circuits
0:41:23 - Bandwidth and Signal Overlap
0:44:02 - Formulas for Side Band Amplitude
0:44:58 - Solving Previous Year Questions (PYQs)
0:46:50 - Heights of Transmitting and Receiving Antennas
0:49:12 - Signal of Message and Peak Voltage
0:50:21 - Loss of Signal Strength
0:51:03 - Modulation Index
0:53:32 - Maximum and Minimum Voltages
0:56:10 - Total Modulation Index
0:59:46 - Amplitude of Carrier Waves
1:01:49 - Electromagnetic Waves
1:05:04 - Formula Based Questions
1:06:55 - Closing Remarks on Communication Systems
1:07:16 - YouTube Classes and EAMCET Rank
1:07:57 - Session Notes and Telegram Channel
1:08:32 - Free EAMCET Mock Tests
1:12:10 - Offline Centers and Droppers
1:13:05 - Marks and Counseling
1:13:55 - Closing Remarks and Tomorrow's Session

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