The Communication System formulas for JEE Main 2024 are power in amplitude modulation, bandwidth, power in frequency modulation, frequency, wavelength, and speed of light, channel capacity, Shannon-Hartley Theorem, noise figure and others.
The Communication System formulas for JEE Main 2024 include bandwidth, power in amplitude modulation, power in frequency modulation, channel capacity, frequency, wavelength, and speed of light, noise figure, and Shannon-Hartley Theorem among others.
Table of Contents
- Communication System Formulas for JEE Main 2024 PDF
- JEE Main Communication System Important Formulas
- Important Topics in Communication System JEE Main 2024
- JEE Main 2024 Physics Chapter Wise Weightage
- JEE Main 2024 Physics Syllabus
- JEE Main 2024: Exam Pattern
Communication System Formulas for JEE Main 2024 PDF
Communication System is an important part of the JEE Main Physics syllabus. The topics covered in Communication System include those of frequency modulation, amplitude modulation, noise, bandwidth, detection and correction of error, digital modulation, data communication, and others.
The Communication System Formulas for JEE Main 2024 can be found in the PDF attached below:
| Communication System Formulas for JEE Main 2024 | Download PDF |
Also Read: JEE Main Important Formulas 2024 - Subject Wise PDF Download
JEE Main Communication System Important Formulas
The students preparing for the JEE Main exam 2024, must be thorough with all the topics under the Communication System. The difficulty level of the JEE Main question paper 2024 is expected to remain between high and moderate. The students must, therefore, remember the formulas very well.
The most important Communication System formulas for JEE Main 2024 have been listed below:
- For amplitude modulation (AM): B = 2⋅fm
- For frequency modulation (FM): B = Δf
- PAM = A2m/2
- Modulation Index = Amplitude of modulating signal / Amplitude of carrier signal
- PFM = Pc / (Δf/fm)2
- C = fλ
- C = Blog2(1+SNR)
- NF = SNRinput / SNRoutput
- R = 2Blog2(L)
- dB = 10 log10(P1/P0)
- Pt = Pr + L + Gt + Gr
Also Read: JEE Main Physics Important Formulas 2024 - Download PDF
Important Topics in Communication System JEE Main 2024
While the students must prepare themselves thoroughly with the complete syllabus, they must pay attention to the most important topics within the chapter. These important topics are selected based on the trends of question papers in the previous years. While doing the last-minute revision, it is crucial to pay attention to the below-mentioned topics:
- Noise
- Propagation of the electromagnetic waves
- Digital modulation
- Amplitude modulation
- Frequency modulation
- Detection and correction of errors
- Data communication
- Bandwidth
Also Read: JEE Main Physics Question Papers with Answer Keys PDF
JEE Main 2024 Physics Chapter Wise Weightage
As per the trends seen in the question papers from the previous years, the chapters vary in weightage. This is to say that the number of questions asked from a particular chapter can be more or less than another chapter. The table below lists down the chapter and the corresponding weightage in the JEE Main 2024 examination.
| Chapters | Number of Questions | Weightage (%) |
| Capacitors | 1 | 3.3 |
| Electrostatics | 1 | 3.3 |
| Semiconductors | 1 | 3.3 |
| Electromagnetic Waves | 1 | 3.3 |
| Circular Motion | 1 | 3.3 |
| Error in Measurement | 1 | 3.3 |
| Elasticity | 1 | 3.3 |
| Sound Waves | 1 | 3.3 |
| Simple Harmonic Motion | 1 | 3.3 |
| Wave Optics | 2 | 6.6 |
| Modern Physics | 2 | 6.6 |
| Rotational Dynamics | 2 | 6.6 |
| Centre of Mass | 2 | 6.6 |
| Laws of Motion | 2 | 6.6 |
| Work, Energy, and Power | 2 | 6.6 |
| Kinematics | 2 | 6.6 |
| Kinetic Theory of Gases and Thermodynamics | 2 | 6.6 |
| Alternating Current | 2 | 6.6 |
| Magnetic Effect of Current and Magnetism | 2 | 6.6 |
| Current Electricity | 3 | 9.9 |
Also Read: JEE Main MCQ Questions with Solutions - Download PDF
JEE Main 2024 Physics Syllabus
The aspirants must be aware of the complete JEE Main syllabus. Though high weightage chapters deserve the most attention, the entire syllabus must be known to the students. The Physics section consists of 30 questions in all, among which 20 questions are based on Multiple Choice Questions pattern, and 10 questions are numerical value based answer type questions.
The JEE Main 2024 Physics syllabus has been shared below:
- Gravitation
- Laws of Motion
- Power
- Rotational Motion
- Physics and Measurement
- Work and Energy
- Kinematics
- Thermodynamics
- Oscillations
- Electronic Devices
- Properties of Solids and Liquids
- Optics
- Dual Nature of Matter
- Radiation
- Communication Systems
- Current Electricity
- Waves
- Electromagnetic Induction
- Electromagnetic Waves
- Atoms
- Electrostatics
- Nuclei
- Kinetic Theory of Gases
- Alternating Currents
- Magnetic Effects of Current
- Magnetism
Also Read: JEE Main Model Questions with Solutions - Download PDF
JEE Main 2024: Exam Pattern
The students must be aware of the exam pattern while preparing for the JEE Main. The first session of JEE Main 2024 will be conducted from Jan 24, 2024 to Feb 1, 2024. The second session is scheduled from Apr 1, 2024, to Apr 15, 2024. The JEE Main exam pattern have been shared in the table below:
| Particulars | Details |
| Mode of Exam | Computer Based Test (CBT) |
| Exam Duration | 3 hours |
| Question Type | MCQs & Numerical value-based answer type |
| Number of Sessions | 2 |
| Number of Sections | 3 Sections: Physics, Chemistry, and Mathematics |
| Total Number of Questions | 90 |
| Total Marks | 300 |
| Marking Scheme | +4 for each correct answer; -1 for each wrong answer |
Also Read: Last Month Preparation Strategy to Clear JEE Main 2024
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