JEE Main 2018PhysicsCurrent ElectricityMeter BridgemediumMCQ

JEE Main 2018Current Electricity Question with Solution

From: JEE Main 2018 (Online) 15th April Morning Slot

Question

JEE Main 2018 (Online) 15th April Morning Slot Physics - Current Electricity Question 299 English
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 value of and ?

This question includes a diagram. The text above accompanies the figure.

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Show full solutionCorrect option: A
Correct answer
A and

Step-by-step explanation

For balanced meter bridge,

=

X =

= 8.16

Now, when we interchange X and Y then





20.66 = 1250

= 60.5

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About this question

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.