Books

• A text book of Practical Physics for Higher Scondary Course by Varghese,Antony,Sebastian.
• Practical Physics for class XI By J.N Jaiswal and Dr.Rajendra Singh.

Websites

• http://en.wikipedia.org/wiki/Ohm%27s_law
• http://www.allaboutcircuits.com/vol_1/chpt_2/1.html
• http://www.physicsclassroom.com/class/circuits/Lesson-3/Ohm-s-Law
• http://phet.colorado.edu/en/simulation/ohms-law
• http://hyperphysics.phy-astr.gsu.edu/hbase/electric/ohmlaw.html