fun with maths

http://www.mathszone.co.uk/

.....

 

electronics

http://www.learnabout-electronics.org/ac_theory/dc_ccts44.php

IEEE papers

http://www.mediafire.com/view/?nim9h430nd0wjei
http://www.mediafire.com/view/?k7b9za3a90455y9
http://www.mediafire.com/view/?hb9965mfq8rtag3

http://electricalnotes.wordpress.com/electrical-qa/electrical-qa-part-1/

above link contains very good questions on electrical engineering

http://electrical-engineering-portal.com/

its very good site with lot of useful electrical information subscribe to it

Gate previous papers year by year

click here

3-2 syllabus book

click here to down load

Electrical Measurements by BAKSHI

click here to download