JEE Main 2018 — Current Electricity Question with Solution
JEE Main 2018 (15 Apr Shift 1 Online)
Question
In a meter bridge, as shown in the figure, it is given that resistance and that the balance is obtained at a distance from end (by jockey J). After interchanging the resistances and , a new balance point is found at a distance from end . What are the values of and ?
Choose an option
Show full solutionCorrect option: B
Correct answer
B and
Step-by-step explanation
For a balanced meter bridge,
When and are interchanged and (100 ) will also interchange so,
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This is a previous-year question from JEE Main 2018, 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.