PHYSICS II
PH 121 No. of hrs/week = 04+03
No. of credits = 05
Electrostatics: [20 Hrs]
Electric charge, conductors and insulators, coulomb’s law, continuous charge distributions, electric field of point charges and continuous charge distributions, point charge and electric dipole in an electric field, Gauss’ law and its applications, electric potential energy, electric potential due to point charges and continuous charge distributions, equipotential surfaces, potential of a charged conductor, conductor in an electric field, insulator in an electric field, capacitance and its calculations, capacitors in series and parallel, energy storage in an electrostatic field, capacitors with dielectric.
Current electricity and magnetic field: [26 Hrs]
Electromotive force, electric current, analysis of circuits, resistors in series and parallel, RC-circuits, magnetic force on a moving charge, circulating charges, hall-effect, magnetic force on a current carrying wire, the torque on a current loop, the magnetic field due to a moving charge and a current, magnetic field of a solenoid, Ampere’s law, Faraday’s law of induction, Lenz’s law, motional emf, generators and motors, induced electric fields, induction and relative motion, the magnetic dipole and magnetic materials, Gauss’ law for magnetism, inductance, LR-circuits, energy storage in a magnetic field, electromagnetic oscillations, *(alternating currents, RLC-circuits, power in AC-circuits), induced magnetic fields and the displacement current, Maxwell’s equations, electromagnetic waves, energy transport and the Poynting vector.
* Optional.
Text / Reference:Halliday, Resnick, Krane; Physics, 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