Joule's law of heating

  • Thread starter logearav
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  • #1
logearav
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Homework Statement


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?"

Homework Equations





The Attempt at a Solution


Homework Statement





Homework Equations





The Attempt at a Solution


Homework Statement





Homework Equations





The Attempt at a Solution


Homework Statement





Homework Equations





The Attempt at a Solution

 

Answers and Replies

  • #2
chrisk
288
1
My guess is the necessary correction has to do with the proportionality constant, which, in your case is the resistance of the current carrying material.
 

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