JEE Main 2006 — Current Electricity Question with Solution
From: AIEEE 2006
Question
The resistance of bulb filmanet is at a temperature of If its temperature coefficient of resistance be per , its resistance will become at a temperature of
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
On dividing we get
NOTE : We may use this expression as an approximation because the difference in the answers is appreciable. For accurate results one should use
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This is a previous-year question from JEE Main 2006, 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.