JEE Main 2025 — Current Electricity Question with Solution
From: JEE Main 2025 (Online) 22nd January Morning Shift
Question
Sliding contact of a potentiometer is in the middle of the potentiometer wire having resistance as shown in the figure. An external resistance of is connected via the sliding contact. The electric current in the circuit is :
This question includes a diagram. The text above accompanies the figure.
Choose an option
Show full solutionCorrect option: C
Step-by-step explanation
We know,
As sliding contact of a potentiometer is in the middle of the potentiometer wire.
Hence,
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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.