JEE Main 2025 — Current Electricity Question with Solution
JEE Main 2025 (2 Apr Shift 1)
Question
The battery of a mobile phone is rated as 4.2 V , 5800 mAh. How much energy is stored in it when fully charged ?
Choose an option
Show full solutionCorrect option: C
Correct answer
C87.7 kJ
Step-by-step explanation
Given volt
Energy supplied by battery
Energy stored in the battery when fully charged
Energy supplied by battery
Energy stored in the battery when fully charged
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This is a previous-year question from JEE Main 2025, 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.