JEE Main 2002 — Current Electricity Question with Solution
From: AIEEE 2002
Question
A wire when connected to mains supply has power dissipation Now the wire is cut into two equal pieces which are connected in parallel to the same supply. Power dissipation in this case is Then is
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Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
Case 1 :
Case 2 : The wire is cut into two equal pieces. Therefore the resistance of the individual wire is These are connected in parallel
Case 2 : The wire is cut into two equal pieces. Therefore the resistance of the individual wire is These are connected in parallel
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This is a previous-year question from JEE Main 2002, covering the Current Electricity chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.