in verifying joule's law of heating namely the first law that is law of CURRENT " HEAT IS PROPORTIONAL TO SQUARE OF CURRENT"
MY TEXTBOOK MENTIONS THE FOLLOWING LINE
the initial temperature of water is measured as THETA1. let W be the heat capacity of the calorimeter and contents. now a current of I1 is passed for a time of T1. the final temperature theta2( after applying necessary correction) is noted
MY QUESTION IS " WHAT DO THEY MEAN BY AFTER APPLYING NECESSARY CORRECTION?"