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Electromagnetism and Electronics (Theory) [1]

Paper Code: 
25CPHY211
Credits: 
04
Contact Hours: 
60.00
Max. Marks: 
100.00
Objective: 
Course Objectives: 
This course will enable the students to-
• acquaint with the scalar and vector fields, gradient, divergence, curl and their physical significance.  
• learn about the fields produced by moving charges and magnetic fields in matter, electromagnetic induction, Maxwell’s equations and electromagnetic waves.
• apply its knowledge to problems related to electromagnetic fields and waves.
 
Course Outcomes: 

Course Outcomes (COs):

Course

Learning outcome

(at course level)

Learning and teaching strategies

Assessment Strategies

Course Code

Course Title

25CPHY211

Electromagnetism and Electronics

         (Theory)

CO21:  Explain and evaluate the   Gradient of a scalar quantity, Divergence and Curl of a vector quantity and to apply Poisson’s and Laplace’s equation to solve a variety of problems.

CO22: Acquire the knowledge of magnetic forces and to calculate magnetic field due to current carrying conductors.

CO23: Achieve an understanding of magnetostatics, the Maxwell’s equations and the role of displacement current.

CO24: Design and Analyze Complex Electrical Networks, Apply Kirchhoff’s Laws and Utilize Network Theorems for Circuit Simplification.

CO25: Explain the basics of semiconductors with its properties and articulate the understanding of   Diodes . 

CO26: Contribute effectively in Course specific interaction.

Approach in teaching:

Interactive Lectures, Discussion, Power point presentation, guest lectures

 

Learning activities for the students:

Self-learning assignments, Effective questions, Seminar presentation, Solving numericals.

Class test, Semester end examinations, Quiz, Solving problems, Assignments, Presentations

 

 

 

12.00
Unit I: 
Scalar and vector fields:

Partial derivatives, Gradient of a scalar function, Divergence and Curl of a vector field, Physical significance of divergence & curl and their expressions in Cartesian coordinates, Gauss divergence theorem, Stokes curl theorem, Laplacian operator, Poisson’s and Laplace’s equation. 

12.00
Unit II: 
Dynamics of a charged particle:
Magnetic forces, Invariance of charge, Electric field measured in different frames of reference, Field of a point charge moving with constant velocity, Interaction between a moving charge and other moving charges. Ampere’s law in differential form, Magnetic Vector Potential, Poisson’s equation for vector potential, magnetic  field due to a current carrying wire and deduction of  Biot-Savart’s law.
 
12.00
Unit III: 
Magnetostatics and Maxwell’s equations:

Electric current due to an orbiting electron, Bohr Magneton, Orbital gyro magnetic ratio, Electron spin and spin magnetic moment, magnetic susceptibility, magnetic field caused by magnetized matter, Magnetization current, Free current its H field. Faraday’s laws of electromagnetic induction, its integral and differential form, Maxwell’s equations in differential and integral form.

12.00
Unit IV: 
Circuit Analysis and Various Circuit Theorems:
Open and short circuits, Impedance, Admittance and Hybrid parameters of any four-terminal network, Kirchhoff’s laws, Mesh and Node analysis. Superposition theorem, Thevenin’s theorem, Norton’s theorem, Maximum power transformer theorem and Reciprocity theorem. 
 
12.00
Unit V: 
Semiconductors and Diodes:
Electrons- free and valence. Conductors, Insulators, and Semiconductors- definition & energy band diagrams. Properties of semiconductors. Meaning of Hole current, electron-hole pairs, recombination, doping, acceptor and donor impurities. Intrinsic and Extrinsic, N and P-type semiconductors. Diode- formation, depletion region, Varistor and Thermistor- working and applications. 
 
Essential Readings: 
• “Electricity and Magnetism with Electronics”, K.K.Tewari, S.Chand & Co. Ltd. (2001)
• “Electricity and Magnetism”, W.J.Duffin , Mc Graw Hill Book Co., Fourth edition.
• “Electricity and Magnetism”, D.Chattopadhyay, P.C.Rakshit, New Central Book Agency (P) Ltd.
• “Elements of Electromagnetics”, Mathew, N.D. Sadika, New Delhi, Oxford University Press.
• “Electronic Devices and Circuits”, Jacob Millman and Christos Halkias, TMH , 9th edition.
• “Electronic Fundamentals and Applications”, John D. Ryder, Prentice Hall of India Pvt. Ltd.,(1983) New Delhi.
 
 
References: 
Suggested Readings
• “Electromagnetics”, B.B.Laud ,New Age International Publishers, Second edition.
• “Electromagnetic theory and electrodynamics”, Satya Prakash, Kedar Nath Ram Nath & Co. Publishers, Meerut, Ninth edition.
• “Physics Part 2”,D.Halliday and R.Resnick, John Wiley and Sons, Inc. Newyork. 
• “Principles of Electricity and Magnetism”,S.Palit, Narosa Publishing House.
• “Hand book of Electronics”, Kumar and Gupta, Pragati Prakashan, Meerut.
• “Basic Electronics and Solid State”, B.L. Theraja, S.Chand, 2002.
 
 
E-Content:
 
Academic Year: 
2025-2026 [4]

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Links:
[1] https://physics.iisuniv.ac.in/courses/subjects/electromagnetism-and-electronics-theory-1
[2] https://www.freebookcentre.net/electronics-ebooks-download/Basic-Electronics-Engineering-by-Mr.-Manas-Ranjan-Pati.html
[3] https://www.freebookcentre.net/electronics-ebooks-download/Electronics-by-Liang-Hung-Lu.html
[4] https://physics.iisuniv.ac.in/academic-year/2025-2026