UNIVERSITY OF MADRAS
B.Sc. DEGREE COURSE IN Nautical Science
SEMESTER SYSTEM WITH CREDITS
(Effective from the Academic Year 2003-2004)

SYLLABUS

Semester III - Paper VI - Nautical Physics and Electronics II

Duration of Examination: 3 hrs
Maximum Marks: 100
Credits: 4

Magnetism

Earth as a magnet, magnetic elements and their variation. Magnetism of the ship and its components. Effect of motion of the ship and latitude on the compass.

Electricity

AC and DC voltages dangerous level, precautions. Static electricity and its hazards, Electrostatic charging of petroleum, precautions during loading and unloading. DC circuits, insulation, earthing. Work, energy, power in a circuit. Electrical appliances on board a ship. Heating effect of electric current - heaters, fuses arc lamps, welding. Chemical effect - corrosion and electrolysis. Cathodic protection. Cells, accumulators, batteries. Care and rating of accumulators. Magnetic Effect: Magnetic field due to a stationary coil, Electromagnet, Circular lifting magnet. Review of electro magnetic induction. Faraday - Lenz's Law, transformer. DC motors - series and shunt wound. The AC generator, AC sinusoidal voltage and current. Average and effective values, AC circuits composed of R, L and C (series and parallel), reactance, impedance, series and parallel resonance, power factor. Three phase AC. The induction motor.

Electronics

p and n types semiconductors, p-n junction diodes - their characteristic, half-wave, full wave & bridge rectifiers, voltage regulation. Ripple, Capacitor filter, Zener Diode, its uses as a voltage regulator. 3. Terminal IC voltage regulator. Thermistors Use in temperature control. Transistors pnp, npn, 3. modes of operation, current gains α and β Photoelectric effect, opto-electronic devises - LDR, LED. 7 - segment displays, photo diode, photo transistor.

Modern Physics

Radioactivity, emissions from natural radioactive nuclei, radioactive series. Detection of radiation, GM counter, radiation units. Radiation damage, Nuclear fission and Fusion, Nuclear Reactors. Nuclear Powered Ships. Nuclear hazards and precautions.

Digital Electronics & Microprocessor

Binary number systems, Binary to decimal conversion, Binary addition and subtraction Logic gates, Boolean Algebra, DeMorgan's theorem, Universal building block, half adder, full adder. Integrated circuits - fabrication. Evolution of microprocessors, Basic concept of Programming of microprocessors, Block diagram and functional organisation of 8085, Applications of Microprocessors.

LIST OF EXPERIEMNTS - PAPER II

1. Series L-R and C-R AC circuits. Determination of impedance, L & C.
2. Magnetic elements of the earth, Use of a Dip circle.
3. Use of multimeter (analog and digital) to determine resistance. Comparison with color code value.
4. Use of multimeter (analog and digital) for testing of diodes and transistors.
5. Forward and Reverse characteristic of Rectifier Diode and a Zener Diode.
6. CE characteristics of an NPN transistor, Determination of Alfa and Beta.
7. Half wave Rectifier - Voltage regulation and ripple. Effect of a capacitor filter.
8. Bridge rectifier - Voltage regulation and ripple. Effect of a capacitor filter.
9. Study of an IC voltage Regulation, Voltage Regulation and Ripple.
10. LED and LDR characteristics.
11. Use of Digital multimerter and DPMs is preferred for measurement of voltage and current.
12. Ripple to be obtained on CRO.
13. Study of Logic gates - Universal building block, De Morgan's theorem.
14. OPAMP - Non inverting and inverting amplifier, voltage follower, substractor & summing amplifier, integrater & differentiator.
15. Microprocessor - Addition. Substraction & square root.

Books Recommended for Reference

1. Electronics Principles Malvino Tata McGraw Hill
2. Electronics Devices and Circuits Boylestead & Nashelsky Printice Hall India.

Additional References

1. Physics - Classical & Modem Gettys, Keller, Skove MCGraw-Hill International Edn.
2. University Physics Young, Sears and Zemansky Narosa Publishing
3. Electricity & Magnetism Brijiala & Subramaniam Ratan Prakashan Mandir
4. Physics Part II Halliday & Resnick
5. Modem Physics B.L. Thareja
6. Basic Electronics B.L. Thareja

Books for Practicals

I. Advanced level Practical Physics M. Nelkon & J.M. Ogborn ELBS
2. Electronics - A Test Lab Manual Zabar Tata McGraw Hill