Ashish Arora is a distinguished academician, author, guide & Physics guru at International level.He has been mentoring students for IT-JEE, NEET & IPhO since 1992. Many of his students have secured under Top 10 AIRs in various years' IIT-JEE & NEET including AIR 1 multiple times and won several GOLD & SILVER medals in IPhO in various countries.This book of PHYSICS GALAXY is a result of deep stress and serious efforts of the brain of Ashish Arora to develop fundamental understanding in Physics.The book, Physics Galaxy Vol. 3(b) consists of detailed theory, illustrations & practice questions on:Chapter-4: Magnetic effect of Current & MagnetismChapter-5: Electromagnetic Induction & Alternating Current