B.Sc. PHYSICS SYLLABUS UNDER CBCS II YEAR B.Sc. -IV SEMESTER
[2020-21 Batch onwards]
Course IV: ELECTRICITY, MAGNETISM AND ELECTRONICS
(For Non-Maths Combinations)
Work load: 60 hrs per semester 4 hrs/week
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Course outcomes:
On successful completion of this course, the students will be able to:
- Develop an understanding on the concepts of Electricity, Magnetism and Electronics and their
- Understand the Gauss’s law in electrostatics and the concepts of electric potential, equipotential surfaces and the classifications of dielectric materials.
- Distinguish between magnetic effect of electric current and electromagnetic induction and apply the related laws in appropriate
- Comprehend the role and importance of Faraday’s laws and Lenz ‘s law in electromagnetic
- Understand Biot and Savart’s law and Ampere’s circuital law to describe and explain the generation of magnetic fields by electrical currents.
- Understand the Kirchoff’s laws and its application to Wheatstone’s bridge
- Disseminate the fundamentals of digital electronics and principles of p-n junction diodes and transistors.
UNIT-1:
- Electric field and Potential (12 Hrs)
Coulomb’s law ; Electric field and Electric lines of force, Electric flux; Gauss’s law statement and its proof; Applications of Gauss Law: Electric field intensity due to (i) Uniformly charged sphere (ii) an infinite conducting sheet of charge (No Derivation- qualitative ideas only); Electrical potential; Equipotential surfaces with examples; Potential due to electric dipole.
UNIT-II:
- Capacitance and Dielectrics(12 Hrs)
Electric capacitance ; Principle of condenser, Capacity of a parallel plate capacitor with and without dielectric; Energy stored in a capacitor, Electric dipole moment; Di-electrics and examples, Types of dielectrics;Effect of electric field on dielectrics; Electric displacement D, electric polarization P, Dielectric constant, Permeability & Susceptibility (Definitions only); Relation between D,E and P
UNIT-III:
- Current Electricity(12 Hrs)
Electric current and current density, drift velocity; Relationship between current density and drift velocity, Electrical resistance and resistivity, conductivity, Ohm’s law and its limitations; Kirchhoff’s laws –Statements and explanations; Application of Kirchhoff’s laws to Wheatstone bridge, sensitivity of Wheatstone bridge
UNIT-IV:
- Electromagnetism: (12 Hrs)
Biot-Savart’s law-Explanation; Application of Biot-Savart’s law to circular coil carrying current (No derivation-qualitative treatment only) ; Ampere’s law ; Force on (i) charged particles and (ii) current carrying conductor in the magnetic field, Hall effect and its applications.
- Electromagnetic induction: Faraday’s laws of electromagnetic induction, Lenz’s law, Phenomena of Self induction and Mutual induction, Self inductance of a long solenoid,
UNIT-V:
- Basic Electronics: (06Hrs)
PN junction diode and its V-I characteristics, Half and full wave rectifiers (working- qualitative ideas only); Transistors- PNP and NPN transistors& their working; CE, CC and CB Configurations, CE transistor –Input and output characteristics.
7. Digital Electronics: (06 Hrs)
Number system, conversion of binary to decimal and vice versa, De Morgan’s theorems Statements& Proofs; Basic Logic gates and their verification of truth tables, NAND and NOR gates as universal gates, Half and Full adders.
REFERENCE BOOKS
- Sc., Physics, Vol.3, Telugu Academy, Hyderabad
- Modern Physics by R. Murugeshan and Kiruthiga Siva Prasath – S. Chand &
- Electricity and Magnetism, Brijlal and Subramanyam. Ratan Prakashan
- Principles of Electronics, V.K. Mehta, S.Chand& ,
- Digital Principles and Applications, A.P. Malvino and D.P.Leach, Mc GrawHill Edition.
