JEE Main 2005 — Current Electricity Question with Solution
From: AIEEE 2005
Question
A heater coil is cut into two equal parts and only one part is now used in the heater. The heat generated will now be
Choose an option
Show full solutionCorrect option: B
Correct answer
Bdoubled
Step-by-step explanation
Resistance of half the coil
As reduces to half, will be doubled.
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This is a previous-year question from JEE Main 2005, 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.