JEE Main 2021 — Current Electricity Question with Solution
From: JEE Main 2021 (Online) 16th March Evening Shift
Question
A resistor develops 500 J of thermal energy in 20 s when a current of 1.5A is passed through it. If the current is increased from 1.5A to 3A, what will be the energy developed in 20 s.
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Show full solutionCorrect option: B
Correct answer
B2000 J
Step-by-step explanation
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This is a previous-year question from JEE Main 2021, 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.