Specifications

Government of Tamilnadu
First Edition – 2011
CHAIRPERSON
Dr. J. KANAKARAJ
ASSOCIATE PROFESSOR
DEPT. OF ELECTRICAL & ELECTRONICS ENGINEERING
PSG COLLEGE OF TECHNOLOGY
COIMBATORE – 641 004
AUTHORS
Ms. A. Sumathi Mr.R. Krishnakumar
Associate Professor Assistant Professor(Senior Grade)
Dept. of Electrical & Electronics Engg. Dept. of Electrical & Electronics Engg.
PSG College of Technology PSG College of Technology
Coimbatore – 641 004 Coimbatore – 641 004
Mr P. Balasubramanian Mr.K.S. Sampath Nagarajan
Vocational Instructor (Spl. Grade) Vocational Instructor (Spl. Grade)
Municipal Boys Hr.Sec School Govt. Hr.Sec School
Pollachi - 642 001 Parava kottai - 614 015
Coimbatore District. Thiruvarur District.
This book has been prepared by the Directorate of School Education on behalf of the
Government of Tamilnadu
This book has been printed on 60 G.S.M. Paper
Printed by Offset of:
ii