JEE Main 2021 — Thermal Properties of Matter Question with Solution
JEE Main 2021 (17 Mar Shift 1)
Question
Two identical metal wires of thermal conductivities and respectively are connected in series. The effective thermal conductivity of the combination is:
Choose an option
Show full solutionCorrect option: A
Correct answer
A
Step-by-step explanation
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This is a previous-year question from JEE Main 2021, covering the Thermal Properties of Matter 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.