PHYSICS II

 

PH 121���������������������������������������������� ����� ����������������������������� No. of hrs/week = 04+03

����������������������������������������������������������������������������������������������� No. of credits� = 05

 

Electric charge and Coulomb�s law:

 

Electric charge - Conductors and insulators - Coulomb�s law - Continuous charge distributions - Uniform line of charge - Ring of charge - Disk of charge - Conservation of charge .�������� � 4 hrs

 

Electric Field:

Electric field - Electric field of point charges - Electric dipole - Electric field of continuous charge distributions - Uniform line of charge - Uniform ring or disk of charge - Infinite sheet of charge - Uniform spherical shell of charge.� Electric field lines - Point charge in an electric field � Measuring the elementary charge - Dipole in an electric field.����������������������������������������������� �4 hrs

 

Gauss� Law:

Flux of a vector field - Flux of the electric field - Flux and lines of field.� Gauss� law - Applications of gauss� law- Infinite line of charge - Infinite sheet of charge - Spherical shell of charge - Gauss� law and conductors - Charge on interior surfaces, electric field outside the conductor - Experimental test of Gauss� law and coulomb�s law.��������� ����������������������������������� �4 hrs

 

Electric potential energy and potential:

Potential energy - Electric potential energy - Electric potential - Calculating the potential from the field - Potential due to point charges - Potential due to a collection of point charges -� Potential due to an electric dipole - Electric potential of continuous charge distributions - Uniform line of charge - Ring of charge - Disk of charge -� Calculating the field from the potential - Equipotential surfaces- Field lines and equipotential surfaces - Potential of a charged conductor.������������������������������������������������������������������������������������������������������������������������������ �4 hrs

 

Electrical properties of materials:

Types of materials - Conductor in an electric field: static conditions - Conductor in an electric field: Dynamic conditions � Current density and drift speed.� Ohmic materials - Ohm�s law - microscopic view - Insulator in an electric field. �������������������������������������������������������������� �3 hrs

 

Capacitance:

Capacitors � Capacitance - Calculating the capacitance � Parallel plate capacitor � Spherical capacitor � Cylindrical capacitor -�� Capacitors in series and parallel -�� Energy storage in an electric field - Capacitor with dielectric � Dielectric and Gauss� law. ���������������� ����������� 4 hrs

 

DC Circuits:

Electric current - Electromotive force - Analysis of circuits � Potential differences in a circuit � Internal resistance of a source of EMF - Electric fields in circuits - Resistors in series and parallel - Energy transfers in an electric circuit -� RC circuits. ��������������������������������������� �5 hrs

 

Magnetic field:

Magnetic interactions and magnetic poles � Magnetism and moving charges - Magnetic force on a moving charge -� Circulating charges -� Cyclotron � Magnetic mirror - Hall effect - Magnetic force on a current carrying wire - Torque on a current loop. ������������������������������ �4 hrs

 

Magnetic field of a current:

Magnetic field due to a moving charge -� Magnetic field of a current � Straight wire segment � Circular current loop -� Two parallel currents � Interaction of between parallel currents -�� Magnetic field of a solenoid -� Ampere�s law � Long straight wire � Solenoid � Toroid.��� � 5 hrs

 

Faraday�s law of induction:

Faraday�s experiments - Faraday�s law of induction - Lenz� law - Motional EMF � Eddy currents - Generators and motors - Induced electric fields � Induced EMF and potential difference � Betatron . ��������������������������������������������� ����������������������������������������������������������������������������������� �5 hrs

 

Magnetic Properties of materials:

Magnetic dipole � Field of a dipole - Force on a dipole in a non uniform field � Induced magnetic dipole moments - Atomic and nuclear magnetism - Magnetization - Magnetic materials � Para magnetism � Diamagnetism � Ferromagnetism � Hysteresis and magnetic domains - Gauss� Law for magnetism � Magnetic monopoles. ������ ����������������������������������� �3 hrs

 

Inductance:

Inductance - Calculating the inductance � Inductance of a solenoid and a Toroid � Inductors with magnetic materials -�� LR circuits - Energy storage in a magnetic field � Energy density and the magnetic field. ��������������������������������� ����������������������������������������������������������������������� -3hrs

 

Text book:

 

Physics � Halliday, Resnick and Krane - vol 2 � 5th edition.

 

PHYSICS II (PRACTICALS)

 

1. Euipotential surfaces

2. Use of CRO

3. Field along the axis of a coil

4. e/m - Thomson's method

5. Hall effect

6. Desauty bridge

7. Maxwell's bridge

8. RC time constant

9. Series and parallel resonance circuit

10. Rectifier & filter circuit

11. Current balance

12. Newton�s ring

13. Diffraction grating

14. Hysteresis

15.Temperature co-efficient of resistance

16.Ohm�s law & verification of laws of resistance